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A209902 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 50
5 261
6 1877
7 13511
8 122663
9 1150988
10 12656562
11 142842855
12 1882666887
13 24961232401
14 375233443223
15 5784328028680
16 98433762560780
17 1704971188321787
18 32593405802749763
19 629093184347294419
20 13243913786996162915
21 283647771230983625422

[1,1,3,10,50,261,1877,13511,122663,1150988,
 12656562,142842855,1882666887,24961232401,
 375233443223,5784328028680,98433762560780,
 1704971188321787,32593405802749763,
 629093184347294419,13243913786996162915,
 283647771230983625422]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)