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A146609 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 13
7 31
8 93
9 435
10 2055
11 12617
12 84101
13 749259
14 7832803
15 101765203
16 1516307327
17 27862176903
18 604272411455

[1,1,1,1,5,13,31,93,435,2055,12617,84101,749259,
 7832803,101765203,1516307327,27862176903,
 604272411455]

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Last modified May 16 22:37 EDT 2022. Contains 353724 sequences. (Running on oeis4.)