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A370426 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 3
6 9
7 48
8 306
9 2190
10 17810
11 162480
12 1642635
13 18231465
14 220420179
15 2883693792
16 40592133316
17 611765693532
18 9828843229764
19 167702100599520
20 3028466654021205
21 57708568527002415
22 1157199837194069405
23 24358905149602459920
24 537053113128448187766

[0,0,0,0,1,3,9,48,306,2190,17810,162480,1642635,
 18231465,220420179,2883693792,40592133316,
 611765693532,9828843229764,167702100599520,
 3028466654021205,57708568527002415,
 1157199837194069405,24358905149602459920,
 537053113128448187766]

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Last modified May 18 23:43 EDT 2024. Contains 372666 sequences. (Running on oeis4.)