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A246056 as a simple table

n a(n)
0 1
1 3
2 16
3 99
4 681
5 4950
6 37303
7 288399
8 2272318
9 18167553
10 146950227
11 1199921310
12 9875193549
13 81811617237
14 681621711306
15 5706874227051
16 47985527200311
17 405002888376840
18 3429714479025247
19 29130993220171449
20 248095567594494634
21 2118053534177686959
22 18122259456592141785

[1,3,16,99,681,4950,37303,288399,2272318,18167553,
 146950227,1199921310,9875193549,81811617237,
 681621711306,5706874227051,47985527200311,
 405002888376840,3429714479025247,
 29130993220171449,248095567594494634,
 2118053534177686959,18122259456592141785]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)