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A156405 as a simple table

n a(n)
0 1
1 35696
2 108306280
3 30649435140
4 1267231350044
5 10615656460584
6 38221283215416
7 566459875724280
8 5572579847718200
9 18408433074826454
10 40748977102642818
11 353949803694601635
12 1865446774685049420 

[1,35696,108306280,30649435140,1267231350044,
 10615656460584,38221283215416,566459875724280,
 5572579847718200,18408433074826454,
 40748977102642818,353949803694601635,
 1865446774685049420]

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Last modified March 20 13:51 EDT 2023. Contains 361383 sequences. (Running on oeis4.)