A174134 - cp's OEIS frontend

A174134 Nonnegative integers m such that m^2 = (a^2-1)*(b^2+1) for some integers a,b.

n	a(n)
1	0
2	4
3	20
4	24
5	60
6	116
7	120
8	136
9	140
10	260
11	340
12	360
13	444
14	676
15	696
16	700
17	816
18	1040
19	1476
20	2020
21	2220
22	2280
23	2684
24	3480
25	3940
26	4056
27	4060
28	4080
29	4420
30	4756
31	5516
32	6100
33	6120
34	6460
35	6780
36	8224
37	8840
38	8976
39	9860
40	11700
41	13756
42	16040
43	18564
44	21340
45	22964

[0, 4, 20, 24, 60, 116, 120, 136, 140, 260, 340, 360, 444, 676, 696, 700, 816, 1040, 1476, 2020, 2220, 2280, 2684, 3480, 3940, 4056, 4060, 4080, 4420, 4756, 5516, 6100, 6120, 6460, 6780, 8224, 8840, 8976, 9860, 11700, 13756, 16040, 18564, 21340, 22964]

cp's OEIS Frontend

A174134 Nonnegative integers m such that m^2 = (a^2-1)*(b^2+1) for some integers a,b.

Table of values

List of values