login

A057721 as a simple table

na(n)
01
15
229
3109
4305
5701
61405
72549
84289
96805
1010301
1115005
1221169
1329069
1439005
1551301
1666305
1784389
18105949
19131405
20161201
21195805
22235709
23281429
24333505
25392501
26459005
27533629
28617009
29709805
30812701
31926405
321051649

[1,5,29,109,305,701,1405,2549,4289,6805,10301,
 15005,21169,29069,39005,51301,66305,84389,105949,
 131405,161201,195805,235709,281429,333505,392501,
 459005,533629,617009,709805,812701,926405,1051649]