login

A217092 as a simple table

na(n)
13
27
315
435
557
699
7429
8445
9731
105151
1112619
1230061
1368517
14111435
15766963
165272667
175892979
1810855425
1911475773
2034427205
21200476101
22879640035
23879640081
245987618771
259464300559
2613456046373
2733028477513
2885307471025

[3,7,15,35,57,99,429,445,731,5151,12619,30061,
 68517,111435,766963,5272667,5892979,10855425,
 11475773,34427205,200476101,879640035,879640081,
 5987618771,9464300559,13456046373,33028477513,
 85307471025]