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A216929 as a simple table

n a(n)
1 0
2 0
3 2
4 8
5 26
6 60
7 135
8 323
9 791
10 1840
11 4216
12 9967
13 23070
14 54356
15 129125

[0,0,2,8,26,60,135,323,791,1840,4216,9967,23070,
 54356,129125]

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Last modified April 25 11:30 EDT 2024. Contains 371967 sequences. (Running on oeis4.)