login

A147052 as a simple table

na(n)
11
21
31
41
51
61
717
821
9509
10957
119009
1223635
13500815
141453635
15110991021
16410901579
1751936051799
18236370303513
1942297696189623
20235560923543349
2180009496099425831
22544930757644765859

[1,1,1,1,1,1,17,21,509,957,9009,23635,500815,
 1453635,110991021,410901579,51936051799,
 236370303513,42297696189623,235560923543349,
 80009496099425831,544930757644765859]