A157646 - cp's OEIS frontend

A157646 Positive numbers y such that y^2 is of the form x^2 + (x+31)^2 with integer x.

n	a(n)
1	25
2	31
3	41
4	109
5	155
6	221
7	629
8	899
9	1285
10	3665
11	5239
12	7489
13	21361
14	30535
15	43649
16	124501
17	177971
18	254405
19	725645
20	1037291
21	1482781
22	4229369
23	6045775
24	8642281
25	24650569
26	35237359
27	50370905
28	143674045
29	205378379
30	293583149
31	837393701

[25, 31, 41, 109, 155, 221, 629, 899, 1285, 3665, 5239, 7489, 21361, 30535, 43649, 124501, 177971, 254405, 725645, 1037291, 1482781, 4229369, 6045775, 8642281, 24650569, 35237359, 50370905, 143674045, 205378379, 293583149, 837393701]

cp's OEIS Frontend

A157646 Positive numbers y such that y^2 is of the form x^2 + (x+31)^2 with integer x.

Table of values

List of values