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A320569 as a simple table

n a(n)
0 1
1 1
2 4
3 25
4 272
5 5028
6 173754
7 11639691
8 1488266409
9 375932630887
10 190981026883402
11 191456188687238845
12 388595050299100664773
13 1602566853459119962711220
14 13153292027392201138778117308
15 220500920265786114712328027650814
16 7523329040995438987558888118224263531

[1,1,4,25,272,5028,173754,11639691,1488266409,
 375932630887,190981026883402,191456188687238845,
 388595050299100664773,1602566853459119962711220,
 13153292027392201138778117308,
 220500920265786114712328027650814,
 7523329040995438987558888118224263531]

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Last modified March 28 08:19 EDT 2024. Contains 371236 sequences. (Running on oeis4.)