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A005039 formatted as a simple table:

n a(n)
1 1
2 1
3 4
4 22
5 147
6 1074
7 8216
8 64798
9 521900
10 4272967
11 35447724
12 297308810
13 2516830890
14 21476307960
15 184530904560
16 1595190209002
17 13863857007924 

[1,1,4,22,147,1074,8216,64798,521900,4272967,
 35447724,297308810,2516830890,21476307960,
 184530904560,1595190209002,13863857007924]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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