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A124995 as a simple table

n a(n)
0 1
1 0
2 0
3 62
4 332
5 0
6 0
7 80006
8 531524
9 0
10 0
11 173607568
12 1226700784
13 0
14 0
15 455805857978
16 3321800235936
17 0
18 0
19 1325490660318216
20 9841000101286172
21 0
22 0
23 4108826483323392880
24 30886378286619335592
25 0
26 0
27 13306426381421174346512
28 100916492010297213463566

[1,0,0,62,332,0,0,80006,531524,0,0,173607568,
 1226700784,0,0,455805857978,3321800235936,0,0,
 1325490660318216,9841000101286172,0,0,
 4108826483323392880,30886378286619335592,0,0,
 13306426381421174346512,100916492010297213463566]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)