login

A005959 as a simple table

na(n)
21
31
44
56
618
742
8118
9314
10895
112521
127307
1321238
1462566
15185310
16553288
171660490
185011299
1915190665
2046244031
21141296042
22433204573
231332261200
244108833222
2512704949506
2639379343929
27122327632914
28380778749899
291187544117426

[1,1,4,6,18,42,118,314,895,2521,7307,21238,62566,
 185310,553288,1660490,5011299,15190665,46244031,
 141296042,433204573,1332261200,4108833222,
 12704949506,39379343929,122327632914,380778749899,
 1187544117426]