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A257635 as a simple table

n a(n)
0 1
1 2
2 1
3 12
4 7
5 1
6 120
7 74
8 15
9 1
10 1680
11 1066
12 251
13 26
14 1
15 30240
16 19524
17 5000
18 635
19 40
20 1
21 665280
22 434568
23 117454
24 16815
25 1345
26 57
27 1
28 17297280
29 11393808
30 3197348
31 495544
32 45815
33 2527
34 77
35 1
36 518918400
37 343976400
38 99236556
39 16275700
40 1659889
41 107800
42 4354
43 100
44 1

[1,2,1,12,7,1,120,74,15,1,1680,1066,251,26,1,
 30240,19524,5000,635,40,1,665280,434568,117454,
 16815,1345,57,1,17297280,11393808,3197348,495544,
 45815,2527,77,1,518918400,343976400,99236556,
 16275700,1659889,107800,4354,100,1]

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Last modified September 14 15:15 EDT 2024. Contains 375921 sequences. (Running on oeis4.)