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A121750 formatted as a simple table:

n a(n)
1 0
2 1
3 5
4 26
5 184
6 1338
7 11652
8 108210
9 1140336
10 12849714
11 159858900
12 2117522754
13 30442090248
14 463511103426
15 7569181895436
16 130254363597330
17 2383020441932256
18 45738553437874962
19 927010880040945924

[0,1,5,26,184,1338,11652,108210,1140336,12849714,
 159858900,2117522754,30442090248,463511103426,
 7569181895436,130254363597330,2383020441932256,
 45738553437874962,927010880040945924]

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


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