A155710 - cp's OEIS frontend

A155710 Intersection of A092572 and A154778: N = a^2 + 3b^2 = c^2 + 5d^2 for some positive integers a,b,c,d.

n	a(n)
1	21
2	36
3	49
4	61
5	84
6	109
7	129
8	144
9	181
10	189
11	196
12	201
13	229
14	241
15	244
16	301
17	309
18	324
19	336
20	349
21	381
22	409
23	421
24	436
25	441
26	469
27	489
28	516
29	525
30	541
31	549
32	576
33	601
34	661
35	669
36	709
37	721
38	724
39	756
40	769
41	784
42	804
43	829
44	849
45	889
46	900
47	916
48	921
49	964
50	976
51	981
52	1009
53	1021

[21, 36, 49, 61, 84, 109, 129, 144, 181, 189, 196, 201, 229, 241, 244, 301, 309, 324, 336, 349, 381, 409, 421, 436, 441, 469, 489, 516, 525, 541, 549, 576, 601, 661, 669, 709, 721, 724, 756, 769, 784, 804, 829, 849, 889, 900, 916, 921, 964, 976, 981, 1009, 1021]

cp's OEIS Frontend

A155710 Intersection of A092572 and A154778: N = a^2 + 3b^2 = c^2 + 5d^2 for some positive integers a,b,c,d.

Table of values

List of values