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A229285 as a simple table

n a(n)
0 1
1 1
2 2
3 8
4 42
5 260
6 1860
7 15020
8 134336
9 1313696
10 13911528
11 158279872
12 1922455440
13 24794405328
14 338037825952
15 4853075024192
16 73123573392416
17 1152965052858560
18 18974557508679104
19 325181733420301504
20 5791431588096653824
21 106990656473333558528
22 2046805540661737323136

[1,1,2,8,42,260,1860,15020,134336,1313696,
 13911528,158279872,1922455440,24794405328,
 338037825952,4853075024192,73123573392416,
 1152965052858560,18974557508679104,
 325181733420301504,5791431588096653824,
 106990656473333558528,2046805540661737323136]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)