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A056949 as a simple table

n a(n)
0 1
1 2
2 0
3 -2
4 24
5 52
6 0
7 32556
8 195984
9 261626
10 0
11 3736682
12 16779168
13 18348900
14 0
15 103018596
16 397998672
17 376729140
18 0
19 1334328534
20 4629497040
21 3937811168
22 0
23 10792678852
24 34417510848
25 26962705262
26 0
27 62783490188
28 187489533504
29 138066125924
30 0
31 287105737648
32 814881802320

[1,2,0,-2,24,52,0,32556,195984,261626,0,3736682,
 16779168,18348900,0,103018596,397998672,376729140,
 0,1334328534,4629497040,3937811168,0,10792678852,
 34417510848,26962705262,0,62783490188,
 187489533504,138066125924,0,287105737648,
 814881802320]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)