login

A274909 as a simple table

na(n)
12
25
313
441
561
673
71093
8193
9757
101181
113851
126481
13797161
1416493
154561
1621523361
1734511
18530713
19363889
2042521761
21368089
22570461
2323535794707
246481
2522996651
264795973261
2719927
28647753
2920381027
3047763361
3122434744889
32926510094425921
332413941289

[2,5,13,41,61,73,1093,193,757,1181,3851,6481,
 797161,16493,4561,21523361,34511,530713,363889,
 42521761,368089,570461,23535794707,6481,22996651,
 4795973261,19927,647753,20381027,47763361,
 22434744889,926510094425921,2413941289]