login

A137009 as a simple table

na(n)
11
25
311
415
527
677
7227
8527
9715
101515
111711
122777
137227
147715
1522715
1652915
1771911
1897527
19159911
20275527
21277977
22715511
23727511
24977511
252791515
267219777
277557511
287715515
297727711
307727715
319591515
329777515
339797511
349797715
359955511
3611292915
3712292915
3817255515
3927771527
4027797715
4127797977
4227915515
4371971911
4472299211

[1,5,11,15,27,77,227,527,715,1515,1711,2777,7227,
 7715,22715,52915,71911,97527,159911,275527,277977,
 715511,727511,977511,2791515,7219777,7557511,
 7715515,7727711,7727715,9591515,9777515,9797511,
 9797715,9955511,11292915,12292915,17255515,
 27771527,27797715,27797977,27915515,71971911,
 72299211]