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A250640 as a simple table

n a(n)
1 1
2 17
3 23
4 125
5 280
6 1061
7 2870
8 9495
9 27507
10 86149
11 255704
12 782393
13 2341381
14 7090347
15 21271463
16 64109181
17 192439733
18 578665211
19 1736971814
20 5217197093
21 15658051930
22 47004010481
23 141050402559
24 423295193635
25 1270100996174

[1,17,23,125,280,1061,2870,9495,27507,86149,
 255704,782393,2341381,7090347,21271463,64109181,
 192439733,578665211,1736971814,5217197093,
 15658051930,47004010481,141050402559,423295193635,
 1270100996174]

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Last modified May 6 06:29 EDT 2024. Contains 372290 sequences. (Running on oeis4.)