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A125455 as a simple table

n a(n)
0 1
1 20
2 268
3 3116
4 41308
5 559340
6 7702750
7 106934246
8 1491033780
9 20837241344
10 291544100378
11 4081622919042
12 57160810856050
13 800635091767934
14 11215210012054526
15 157108281806511326
16 2200900956018966740

[1,20,268,3116,41308,559340,7702750,106934246,
 1491033780,20837241344,291544100378,4081622919042,
 57160810856050,800635091767934,11215210012054526,
 157108281806511326,2200900956018966740]

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)