login

A001908 as a simple table

na(n)
01
14
241
3614
412281
5307024
69210721
7322375234
812895009361
9580275421244
1029013771062201
111595757408421054
1295745444505263241
136223453892842110664
14435641772498947746481
1532673132937421080986074
162613850634993686478885921
17222177303974463350705303284

[1,4,41,614,12281,307024,9210721,322375234,
 12895009361,580275421244,29013771062201,
 1595757408421054,95745444505263241,
 6223453892842110664,435641772498947746481,
 32673132937421080986074,2613850634993686478885921,
 222177303974463350705303284]