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A150271 as a simple table

n a(n)
0 1
1 2
2 6
3 22
4 91
5 383
6 1668
7 7411
8 33476
9 152897
10 707145
11 3299234
12 15490659
13 73143589
14 347167321
15 1654542464
16 7912965246
17 37970582001
18 182724292495
19 881421183634
20 4261082344830
21 20641085036137
22 100163243902972
23 486821506316846
24 2369576128859998
25 11549163118691787
26 56357043289847950
27 275312066835176586

[1,2,6,22,91,383,1668,7411,33476,152897,707145,
 3299234,15490659,73143589,347167321,1654542464,
 7912965246,37970582001,182724292495,881421183634,
 4261082344830,20641085036137,100163243902972,
 486821506316846,2369576128859998,
 11549163118691787,56357043289847950,
 275312066835176586]

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Last modified May 4 17:51 EDT 2024. Contains 372257 sequences. (Running on oeis4.)