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A260612 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 0
5 -1
6 1
7 2
8 -1
9 -2
10 1
11 -4
12 -13
13 4
14 12
15 1
16 20
17 -109
18 -308
19 108
20 288
21 1
22 -100
23 -2509
24 12772
25 37068
26 -12672
27 -34560
28 1
29 620
30 -74509
31 -1793708
32 9232908
33 26676288
34 -9158400
35 -24883200
36 1
37 -4420
38 -3199309
39 373731652
40 9049521228
41 -46507180032
42 -134457649920
43 46133452800
44 125411328000

[1,1,1,1,0,-1,1,2,-1,-2,1,-4,-13,4,12,1,20,-109,
 -308,108,288,1,-100,-2509,12772,37068,-12672,
 -34560,1,620,-74509,-1793708,9232908,26676288,
 -9158400,-24883200,1,-4420,-3199309,373731652,
 9049521228,-46507180032,-134457649920,46133452800,
 125411328000]

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Last modified August 2 15:26 EDT 2021. Contains 346428 sequences. (Running on oeis4.)