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A261685 as a simple table

n a(n)
1 1
2 0
3 2
4 0
5 2
6 4
7 0
8 0
9 12
10 12
11 0
12 0
13 8
14 68
15 44
16 0
17 0
18 2
19 106
20 406
21 206
22 0
23 0
24 0
25 88
26 1186
27 2644
28 1122
29 0
30 0
31 0
32 32
33 1728
34 12096
35 19456
36 7008

[1,0,2,0,2,4,0,0,12,12,0,0,8,68,44,0,0,2,106,406,
 206,0,0,0,88,1186,2644,1122,0,0,0,32,1728,12096,
 19456,7008]

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Last modified April 23 07:08 EDT 2024. Contains 371906 sequences. (Running on oeis4.)