A155708 - cp's OEIS frontend

A155708 Numbers expressible as a^2 + k*b^2 with nonzero integers a,b, for k=2, k=3 and k=5.

n	a(n)
1	36
2	129
3	144
4	201
5	241
6	324
7	409
8	441
9	489
10	516
11	576
12	601
13	769
14	804
15	849
16	900
17	921
18	964
19	1009
20	1129
21	1161
22	1201
23	1249
24	1296
25	1321
26	1489
27	1521
28	1569
29	1609
30	1636
31	1641
32	1764
33	1801
34	1809
35	1849
36	1929
37	1956
38	2064
39	2089
40	2161
41	2169
42	2281
43	2304
44	2361
45	2404
46	2521

[36, 129, 144, 201, 241, 324, 409, 441, 489, 516, 576, 601, 769, 804, 849, 900, 921, 964, 1009, 1129, 1161, 1201, 1249, 1296, 1321, 1489, 1521, 1569, 1609, 1636, 1641, 1764, 1801, 1809, 1849, 1929, 1956, 2064, 2089, 2161, 2169, 2281, 2304, 2361, 2404, 2521]

cp's OEIS Frontend

A155708 Numbers expressible as a^2 + k*b^2 with nonzero integers a,b, for k=2, k=3 and k=5.

Table of values

List of values