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A330659 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 3
5 4
6 12
7 27
8 78
9 208
10 637
11 1870
12 5797
13 17866
14 56237
15 177573
16 566904
17 1818527
18 5874180
19 19065038

[1,1,1,1,3,4,12,27,78,208,637,1870,5797,17866,
 56237,177573,566904,1818527,5874180,19065038]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)