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A089677 as a simple table

n a(n)
0 0
1 1
2 1
3 7
4 37
5 271
6 2341
7 23647
8 272917
9 3543631
10 51123781
11 811316287
12 14045783797
13 263429174191
14 5320671485221
15 115141595488927
16 2657827340990677
17 65185383514567951
18 1692767331628422661
19 46400793659664205567
20 1338843898122192101557

[0,1,1,7,37,271,2341,23647,272917,3543631,
 51123781,811316287,14045783797,263429174191,
 5320671485221,115141595488927,2657827340990677,
 65185383514567951,1692767331628422661,
 46400793659664205567,1338843898122192101557]

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Last modified April 19 13:40 EDT 2024. Contains 371792 sequences. (Running on oeis4.)