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A137544 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 23
5 104
6 534
7 3064
8 19558
9 139015
10 1102745
11 9768906
12 96411670
13 1054341718
14 12683130974
15 166505323204

[1,1,2,6,23,104,534,3064,19558,139015,1102745,
 9768906,96411670,1054341718,12683130974,
 166505323204]

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Last modified April 18 11:29 EDT 2024. Contains 371779 sequences. (Running on oeis4.)