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A217976 as a simple table

n a(n)
1 1
2 2
3 4
4 9
5 21
6 62
7 159
8 422
9 1134
10 3056
11 8139
12 22169
13 60004
14 163262
15 443002

[1,2,4,9,21,62,159,422,1134,3056,8139,22169,60004,
 163262,443002]

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Last modified April 15 15:27 EDT 2024. Contains 371692 sequences. (Running on oeis4.)