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A026004 as a simple table

n a(n)
0 1
1 3
2 14
3 75
4 429
5 2548
6 15504
7 95931
8 600875
9 3798795
10 24192090
11 154969620
12 997490844
13 6446369400
14 41802112192
15 271861216539
16 1772528290407
17 11582393855305
18 75831424919250
19 497337483739635
20 3266814940064445

[1,3,14,75,429,2548,15504,95931,600875,3798795,
 24192090,154969620,997490844,6446369400,
 41802112192,271861216539,1772528290407,
 11582393855305,75831424919250,497337483739635,
 3266814940064445]

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Last modified June 6 00:30 EDT 2024. Contains 373110 sequences. (Running on oeis4.)