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A131763 as a simple table

n a(n)
0 1
1 3
2 21
3 183
4 1785
5 18651
6 204141
7 2310447
8 26819121
9 317530227
10 3819724293
11 46553474919
12 573608632233
13 7133530172619
14 89423593269213
15 1128765846337887
16 14334721079385441
17 183021615646831587
18 2347944226115977461
19 30250309354902101271
20 391241497991342192985

[1,3,21,183,1785,18651,204141,2310447,26819121,
 317530227,3819724293,46553474919,573608632233,
 7133530172619,89423593269213,1128765846337887,
 14334721079385441,183021615646831587,
 2347944226115977461,30250309354902101271,
 391241497991342192985]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)