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A169630 as a simple table

n a(n)
0 0
1 1
2 2
3 12
4 36
5 125
6 384
7 1183
8 3528
9 10404
10 30250
11 87131
12 248832
13 705757
14 1989806
15 5581500
16 15586704
17 43356953
18 120187008
19 332134459
20 915304500
21 2516113236
22 6900949462
23 18888143927
24 51599794176
25 140718765625
26 383142771674

[0,1,2,12,36,125,384,1183,3528,10404,30250,87131,
 248832,705757,1989806,5581500,15586704,43356953,
 120187008,332134459,915304500,2516113236,
 6900949462,18888143927,51599794176,140718765625,
 383142771674]

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Last modified May 3 03:31 EDT 2024. Contains 372204 sequences. (Running on oeis4.)