A216451 - cp's OEIS frontend

A216451 Numbers which are simultaneously of the form x^2+y^2, x^2+2y^2, x^2+3y^2, x^2+7y^2, all with x>0, y>0.

n	a(n)
1	193
2	337
3	457
4	673
5	772
6	1009
7	1033
8	1129
9	1201
10	1297
11	1348
12	1737
13	1801
14	1828
15	1873
16	2017
17	2137
18	2377
19	2473
20	2521
21	2689
22	2692
23	2713
24	2857
25	3033
26	3049
27	3088
28	3217
29	3313
30	3361
31	3529
32	3600
33	3697
34	3889
35	4036
36	4057
37	4113
38	4132
39	4153
40	4201
41	4516
42	4561
43	4624
44	4657

[193, 337, 457, 673, 772, 1009, 1033, 1129, 1201, 1297, 1348, 1737, 1801, 1828, 1873, 2017, 2137, 2377, 2473, 2521, 2689, 2692, 2713, 2857, 3033, 3049, 3088, 3217, 3313, 3361, 3529, 3600, 3697, 3889, 4036, 4057, 4113, 4132, 4153, 4201, 4516, 4561, 4624, 4657]

cp's OEIS Frontend

A216451 Numbers which are simultaneously of the form x^2+y^2, x^2+2y^2, x^2+3y^2, x^2+7y^2, all with x>0, y>0.

Table of values

List of values