login

A200403 as a simple table

na(n)
11
22
36
423
5107
6584
73660
825910
9204564
101782520
1116995202
12176008542
131967664910
1423618071616
15302957562470

[1,2,6,23,107,584,3660,25910,204564,1782520,
 16995202,176008542,1967664910,23618071616,
 302957562470]