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A346981 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 41
5 842
6 20520
7 477479
8 12482191
9 344597977
10 10325683780
11 329996493091
12 11307950123833
13 411428962250775
14 15890609817681079
15 648195555340597125
16 27864181100124570327
17 1258096888119566215689
18 59531788666265363070393
19 2944807922604446013781174

[1,0,0,1,41,842,20520,477479,12482191,344597977,
 10325683780,329996493091,11307950123833,
 411428962250775,15890609817681079,
 648195555340597125,27864181100124570327,
 1258096888119566215689,59531788666265363070393,
 2944807922604446013781174]

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Last modified May 20 14:08 EDT 2024. Contains 372717 sequences. (Running on oeis4.)