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A086613 as a simple table

n a(n)
0 1
1 2
2 3
3 8
4 27
5 95
6 346
7 1298
8 4982
9 19481
10 77344
11 310981
12 1263768
13 5182584
14 21420400
15 89139754
16 373179358
17 1570606386
18 6641563144
19 28204255713
20 120231876230
21 514315720218
22 2207041605690
23 9498267611429
24 40985335385212

[1,2,3,8,27,95,346,1298,4982,19481,77344,310981,
 1263768,5182584,21420400,89139754,373179358,
 1570606386,6641563144,28204255713,120231876230,
 514315720218,2207041605690,9498267611429,
 40985335385212]

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Last modified November 27 03:27 EST 2020. Contains 338677 sequences. (Running on oeis4.)