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A126596 as a simple table

n a(n)
0 1
1 3
2 20
3 154
4 1260
5 10659
6 92092
7 807300
8 7152444
9 63882940
10 574221648
11 5188082354
12 47073334100
13 428634152730
14 3914819231400
15 35848190542920
16 329007937216860
17 3025582795190340
18 27872496751392496
19 257172019222240200
20 2376196095585231920
21 21983235825545286435

[1,3,20,154,1260,10659,92092,807300,7152444,
 63882940,574221648,5188082354,47073334100,
 428634152730,3914819231400,35848190542920,
 329007937216860,3025582795190340,
 27872496751392496,257172019222240200,
 2376196095585231920,21983235825545286435]

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Last modified May 3 21:49 EDT 2024. Contains 372225 sequences. (Running on oeis4.)