login

A147379 as a simple table

na(n)
11
21
31
41
51
61
73
87
915
1033
11101
12381
131709
148457
1546629
16303839
172310935
1820572541
19212895819
202545278493
2135199007061

[1,1,1,1,1,1,3,7,15,33,101,381,1709,8457,46629,
 303839,2310935,20572541,212895819,2545278493,
 35199007061]