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A099950 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 10
6 27
7 80
8 255
9 870
10 3155
11 12100
12 48871
13 207162
14 918944
15 4254690
16 20513838
17 102784942
18 534205629
19 2875098840
20 15999114433
21 91923562922
22 544606671776
23 3323112062994
24 20860869818386
25 134585869671342

[1,1,1,2,4,10,27,80,255,870,3155,12100,48871,
 207162,918944,4254690,20513838,102784942,
 534205629,2875098840,15999114433,91923562922,
 544606671776,3323112062994,20860869818386,
 134585869671342]

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Last modified April 23 11:27 EDT 2024. Contains 371913 sequences. (Running on oeis4.)