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A160568 formatted as a simple table:

n a(n)
0 1
1 0
2 1
3 3
4 1
5 9
6 19
7 18
8 91
9 165
10 271
11 990
12 1765
13 3843
14 11467
15 21630
16 53299
17 140724
18 287119
19 736101
20 1818235
21 3982044
22 10225117
23 24521409
24 56584243
25 143641017
26 341948179
27 816095982
28 2045559205
29 4888806237
30 11897144767
31 29540684052

[1,0,1,3,1,9,19,18,91,165,271,990,1765,3843,11467,
 21630,53299,140724,287119,736101,1818235,3982044,
 10225117,24521409,56584243,143641017,341948179,
 816095982,2045559205,4888806237,11897144767,
 29540684052]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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