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A221371 as a simple table

n a(n)
0 1
1 1
2 4
3 23
4 209
5 2744
6 49539
7 1180281
8 35921892
9 1360513711
10 62770245601
11 3466178083312
12 225719029475675
13 17117740162448105
14 1495526385479298140
15 149120758170390404103
16 16831018302445533666705
17 2134813624482300873515304
18 302332062412598445891728563

[1,1,4,23,209,2744,49539,1180281,35921892,
 1360513711,62770245601,3466178083312,
 225719029475675,17117740162448105,
 1495526385479298140,149120758170390404103,
 16831018302445533666705,2134813624482300873515304,
 302332062412598445891728563]

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Last modified May 21 17:21 EDT 2024. Contains 372738 sequences. (Running on oeis4.)