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A087949 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 16
6 59
7 246
8 1131
9 5655
10 30428
11 174835
12 1066334
13 6870542
14 46581883
15 331237074
16 2463361903
17 19112314727
18 154364077009
19 1295325828045
20 11273167827343
21 101589943242179
22 946577526626181
23 9107029927925714
24 90359115887726302
25 923509462029444933

[1,1,1,2,5,16,59,246,1131,5655,30428,174835,
 1066334,6870542,46581883,331237074,2463361903,
 19112314727,154364077009,1295325828045,
 11273167827343,101589943242179,946577526626181,
 9107029927925714,90359115887726302,
 923509462029444933]

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Last modified September 1 18:57 EDT 2024. Contains 375594 sequences. (Running on oeis4.)