A092499 - OEIS

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A092499 as a simple table

n	a(n)
0	0
1	1
2	21
3	440
4	9219
5	193159
6	4047120
7	84796361
8	1776676461
9	37225409320
10	779956919259
11	16341869895119
12	342399310878240
13	7174043658547921
14	150312517518628101
15	3149388824232642200
16	65986852791366858099

[0,1,21,440,9219,193159,4047120,84796361, 1776676461,37225409320,779956919259, 16341869895119,342399310878240,7174043658547921, 150312517518628101,3149388824232642200, 65986852791366858099]