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A221817 as a simple table

n a(n)
1 0
2 1
3 0
4 0
5 4
6 0
7 1
8 16
9 12
10 0
11 0
12 91
13 14
14 40
15 0
16 1
17 459
18 1041
19 379
20 136
21 0
22 0
23 2429
24 7320
25 29412
26 1052
27 460
28 0
29 1
30 12678
31 123644
32 854959
33 574706
34 11079
35 1556
36 0
37 0
38 66380
39 1271018
40 35948127
41 35993876
42 13076919
43 47390
44 5264
45 0
46 1
47 347305
48 17049353

[0,1,0,0,4,0,1,16,12,0,0,91,14,40,0,1,459,1041,
 379,136,0,0,2429,7320,29412,1052,460,0,1,12678,
 123644,854959,574706,11079,1556,0,0,66380,1271018,
 35948127,35993876,13076919,47390,5264,0,1,347305,
 17049353]

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Last modified October 3 22:39 EDT 2023. Contains 365872 sequences. (Running on oeis4.)