login

A057960 as a simple table

na(n)
01
12
25
313
435
595
6259
7707
81931
95275
1014411
1139371
12107563
13293867
14802859
152193451
165992619
1716372139
1844729515
19122203307
20333865643
21912137899
222492007083
236808289963
2418600594091
2550817768107
26138836724395
27379308985003
281036291418795
292831200807595

[1,2,5,13,35,95,259,707,1931,5275,14411,39371,
 107563,293867,802859,2193451,5992619,16372139,
 44729515,122203307,333865643,912137899,2492007083,
 6808289963,18600594091,50817768107,138836724395,
 379308985003,1036291418795,2831200807595]