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A112839 as a simple table

n a(n)
0 1
1 2
2 5
3 13
4 34
5 136
6 666
7 3577
8 23353
9 200704
10 2062593
11 24878084
12 373006265
13 6917185552
14 153624835953
15 4155902941554
16 138450383756352
17 5602635336941568
18 274540864716936000
19 16486029239132118530
20 1209110712606533552257

[1,2,5,13,34,136,666,3577,23353,200704,2062593,
 24878084,373006265,6917185552,153624835953,
 4155902941554,138450383756352,5602635336941568,
 274540864716936000,16486029239132118530,
 1209110712606533552257]

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Last modified August 2 03:55 EDT 2021. Contains 346409 sequences. (Running on oeis4.)