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A266867 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 0
6 2
7 1
8 0
9 4
10 6
11 1
12 0
13 17
14 72
15 24
16 1
17 0
18 57
19 1304
20 2760
21 120
22 1
23 0
24 207
25 31501
26 530368
27 154240
28 720
29 1
30 0
31 786
32 843874
33 132028418
34 358960340
35 12199500
36 5040
37 1
38 0
39 3057
40 24244702
41 37478933496
42 1141696526832
43 415907473523
44 1293877704
45 40320
46 1

[1,1,1,1,0,2,1,0,4,6,1,0,17,72,24,1,0,57,1304,
 2760,120,1,0,207,31501,530368,154240,720,1,0,786,
 843874,132028418,358960340,12199500,5040,1,0,3057,
 24244702,37478933496,1141696526832,415907473523,
 1293877704,40320,1]

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Last modified January 19 09:12 EST 2021. Contains 340267 sequences. (Running on oeis4.)