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A149031 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 33
5 127
6 486
7 1943
8 8052
9 33504
10 143203
11 618615
12 2696818
13 11919409
14 52965105
15 237386849
16 1071312485
17 4857376568
18 22160738643
19 101518175550
20 467022106982
21 2157328576831
22 9996509638302
23 46480743976377
24 216739174880976
25 1013326106030851
26 4750067786683020
27 22315803215975305

[1,1,3,10,33,127,486,1943,8052,33504,143203,
 618615,2696818,11919409,52965105,237386849,
 1071312485,4857376568,22160738643,101518175550,
 467022106982,2157328576831,9996509638302,
 46480743976377,216739174880976,1013326106030851,
 4750067786683020,22315803215975305]

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Last modified June 15 15:25 EDT 2024. Contains 373407 sequences. (Running on oeis4.)