login

A203901 as a simple table

na(n)
10
20
31
42
56
631
7302
811706
93919531
1047073195302
11185055980038616706
128711901623180875318209094531
131612189902974799120179526719227635256224945302

[0,0,1,2,6,31,302,11706,3919531,47073195302,
 185055980038616706,8711901623180875318209094531,
 1612189902974799120179526719227635256224945302]