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A006882 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 3
4 8
5 15
6 48
7 105
8 384
9 945
10 3840
11 10395
12 46080
13 135135
14 645120
15 2027025
16 10321920
17 34459425
18 185794560
19 654729075
20 3715891200
21 13749310575
22 81749606400
23 316234143225
24 1961990553600
25 7905853580625
26 51011754393600

[1,1,2,3,8,15,48,105,384,945,3840,10395,46080,
 135135,645120,2027025,10321920,34459425,185794560,
 654729075,3715891200,13749310575,81749606400,
 316234143225,1961990553600,7905853580625,
 51011754393600]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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