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A231602 as a simple table

n a(n)
1 1
2 0
3 2
4 3
5 0
6 6
7 4
8 36
9 0
10 24
11 65
12 80
13 360
14 0
15 120
16 306
17 1950
18 1200
19 3600
20 0
21 720
22 4207
23 12852
24 40950
25 16800
26 37800
27 0
28 5040
29 38424
30 235592
31 359856
32 764400
33 235200
34 423360
35 0
36 40320
37 573057
38 2766528
39 8481312
40 8636544
41 13759200
42 3386880
43 5080320
44 0
45 362880

[1,0,2,3,0,6,4,36,0,24,65,80,360,0,120,306,1950,
 1200,3600,0,720,4207,12852,40950,16800,37800,0,
 5040,38424,235592,359856,764400,235200,423360,0,
 40320,573057,2766528,8481312,8636544,13759200,
 3386880,5080320,0,362880]

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Last modified April 24 06:07 EDT 2024. Contains 371918 sequences. (Running on oeis4.)