login

A253333 as a simple table

na(n)
17
213
397
4193
5769
61531
73049
86073
912097
1024097
1195617
12379399
132998753
14187339729
15373174033
162949551617
17184265983633
18731152932481
1988025699967469825543
20175344042716296888429
214979552865927484193343796114081304399449

[7,13,97,193,769,1531,3049,6073,12097,24097,95617,
 379399,2998753,187339729,373174033,2949551617,
 184265983633,731152932481,88025699967469825543,
 175344042716296888429,
 4979552865927484193343796114081304399449]