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A013993 as a simple table

n a(n)
0 1
1 1
2 16
3 335
4 9754
5 323632
6 11171466
7 389866263
8 13662905466
9 479251547011
10 16821606120516
11 590415835527858
12 20726430358013659
13 727543012137899046
14 25540208938124629118
15 896540705406585866451

[1,1,16,335,9754,323632,11171466,389866263,
 13662905466,479251547011,16821606120516,
 590415835527858,20726430358013659,
 727543012137899046,25540208938124629118,
 896540705406585866451]

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Last modified June 29 05:44 EDT 2022. Contains 354910 sequences. (Running on oeis4.)