Prev: Thank you, Dublin!
Next: Subject: finding the $n$-th largest $d$-fold products
From: MeM on 24 Apr 2010 21:57
in:
http://:{(n + 1 )*(n + 2)} - {n (n + 1)}
out:: .{-n (1 + n) + (1 + n) (2 + n)}

In[1]:= 1*2

Out[1]= 2

In[2]:= 2*3

Out[2]= 6

In[3]:= 6 - 2

In[4]:= 4 - 1

In[5]:= FactorInteger[3]

Out[5]= {{3, 1}}

In[6]:= 2*3

Out[6]= 6

In[7]:= 3*4

Out[7]= 12

In[8]:= 12 - 6

In[9]:= 6 - 1

Out[9]= 5

In[10]:= 3*4

Out[10]= 12

In[11]:= 4*5

Out[11]= 20

In[12]:= 20 - 12

In[13]:= 8 - 1

In[22]:= FactorInteger[7]

Out[22]= {{7, 1}}

In[14]:= 4*5

Out[14]= 20

In[15]:= 5*6

Out[15]= 30

In[16]:= 30 - 20

In[63]:= FactorInteger[10]

Out[63]= {{2, 1}, {5, 1}}

In[18]:= 5*6

Out[18]= 30

In[19]:= 6*7

Out[19]= 42

In[20]:= 42 - 30

In[21]:= 12 - 1

In[23]:= FactorInteger[11]

Out[23]= {{11, 1}}

In[24]:= 6*7

Out[24]= 42

In[25]:= 7*8

Out[25]= 56

In[26]:= 56 - 42

In[27]:= 14 - 1

In[28]:= FactorInteger[13]

Out[28]= {{13, 1}}

In[30]:= 7*8

Out[30]= 56

In[31]:= 8*9

Out[31]= 72

In[32]:= 72 - 56

In[33]:= 16 - 1

In[62]:= FactorInteger[15]

Out[62]= {{3, 1}, {5, 1}}

In[35]:= 8*9

Out[35]= 72

In[37]:= 9*10

Out[37]= 90

In[38]:= 90 - 72

In[39]:= 18 - 1

In[40]:= FactorInteger[17]

Out[40]= {{17, 1}}

In[41]:= 9*10

Out[41]= 90

In[42]:= 10*11

Out[42]= 110

In[43]:= 110 - 90

In[44]:= 20 - 1

In[64]:= FactorInteger[19]

Out[64]= {{19, 1}}

In[45]:= 10*11

Out[45]= 110

In[46]:= 11*12

Out[46]= 132

In[47]:= 132 - 110

In[60]:= 22 - 1

In[61]:= FactorInteger[21]

Out[61]= {{3, 1}, {7, 1}}

In[50]:= 11*12

Out[50]= 132

In[51]:= 12*13

Out[51]= 156

In[52]:= 156 - 132

In[53]:= 24 - 1

In[59]:= FactorInteger[23]

Out[59]= {{23, 1}}

In[54]:= 12*13

Out[54]= 156

In[55]:= 13*14

Out[55]= 182

In[56]:= 186 - 156

In[57]:= 30 - 1

In[58]:= FactorInteger[29]

Out[58]= {{29, 1}}

In[65]:= 13*14

Out[65]= 182

In[66]:= 14*15

Out[66]= 210

In[67]:= 210 - 182

In[68]:= 28 - 1

In[69]:= FactorInteger[27]

Out[69]= {{3, 3}}

In[70]:= 14*15

Out[70]= 210

In[71]:= 15*16

Out[71]= 240

In[72]:= 240 - 210

In[73]:= 30 - 1

In[74]:= FactorInteger[29]

Out[74]= {{29, 1}}

In[75]:= 15*16

Out[75]= 240

In[76]:= 16*17

Out[76]= 272

In[77]:= 272 - 240

In[78]:= 32 - 1

In[79]:= FactorInteger[31]

Out[79]= {{31, 1}}

In[80]:= 16*17

Out[80]= 272

In[81]:= 17*18

Out[81]= 306

In[82]:= 306 - 272

In[83]:= 34 - 1

In[84]:= FactorInteger[33]

Out[84]= {{3, 1}, {11, 1}}

In[85]:= 17*18

Out[85]= 306

In[86]:= 18*19

Out[86]= 342

In[87]:= 342 - 306

In[88]:= 36 - 1

In[89]:= FactorInteger[35]

Out[89]= {{5, 1}, {7, 1}}

http://meami.org
 | 
Pages: 1
Prev: Thank you, Dublin!
Next: Subject: finding the $n$-th largest $d$-fold products