login

A146131 as a simple table

na(n)
11
21
31
41
51
61
75
89
921
1039
11159
12427
132501
149027
1558503
16271185
172371669
1814600987
19167228191
201344019107
2119775648697
22206847230557
233987249030381
2454541478154327
251370106516904685
2624431476697291095

[1,1,1,1,1,1,5,9,21,39,159,427,2501,9027,58503,
 271185,2371669,14600987,167228191,1344019107,
 19775648697,206847230557,3987249030381,
 54541478154327,1370106516904685,24431476697291095]