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A331955 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 2
5 1
6 0
7 5
8 7
9 3
10 0
11 15
12 45
13 49
14 18
15 0
16 52
17 306
18 640
19 565
20 180
21 0
22 203
23 2268
24 8176
25 13055
26 9645
27 2700
28 0
29 877
30 18425
31 108388
32 279349
33 359555
34 227745
35 56700
36 0
37 4140
38 163754
39 1523922
40 5967927
41 11918270
42 12822110
43 7095060
44 1587600

[1,0,1,0,2,1,0,5,7,3,0,15,45,49,18,0,52,306,640,
 565,180,0,203,2268,8176,13055,9645,2700,0,877,
 18425,108388,279349,359555,227745,56700,0,4140,
 163754,1523922,5967927,11918270,12822110,7095060,
 1587600]

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Last modified August 26 09:55 EDT 2024. Contains 375455 sequences. (Running on oeis4.)