A129423 - OEIS

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A129423 as a simple table

n	a(n)
1	1
2	7
3	263
4	90614
5	165041329
6	861723619902
7	10351918806321621
8	253216618556625008961
9	11542463442106815907796586
10	915449471830886733265105097578

[1,7,263,90614,165041329,861723619902, 10351918806321621,253216618556625008961, 11542463442106815907796586, 915449471830886733265105097578]