login

A018836 as a simple table

na(n)
01
19
241
3109
4205
5325
6473
7649
8853
91085
101345
111633
121949
132293
142665
153065
163493
173949
184433
194945
205485
216053
226649
237273
247925
258605
269313
2710049
2810813
2911605
3012425
3113273
3214149
3315053
3415985
3516945
3617933
3718949
3819993
3921065
4022165

[1,9,41,109,205,325,473,649,853,1085,1345,1633,
 1949,2293,2665,3065,3493,3949,4433,4945,5485,6053,
 6649,7273,7925,8605,9313,10049,10813,11605,12425,
 13273,14149,15053,15985,16945,17933,18949,19993,
 21065,22165]