A284477 - cp's OEIS frontend

A284477 Pairs of integers (x, y), such that x^2 + 1 and y^2 + 1, 1 < y < x, have the same distinct prime factors.

n	a(n)
1	7
2	3
3	18
4	8
5	117
6	43
7	239
8	5
9	378
10	132
11	843
12	377
13	2207
14	987
15	2943
16	73
17	4443
18	53
19	4662
20	1568
21	6072
22	5118
23	8307
24	743
25	8708
26	2112
27	9872
28	2738
29	31561
30	4929
31	103682
32	46368
33	271443
34	121393
35	853932
36	76378
37	1021693
38	91383
39	3539232
40	41218
41	3699356
42	473654

[7, 3, 18, 8, 117, 43, 239, 5, 378, 132, 843, 377, 2207, 987, 2943, 73, 4443, 53, 4662, 1568, 6072, 5118, 8307, 743, 8708, 2112, 9872, 2738, 31561, 4929, 103682, 46368, 271443, 121393, 853932, 76378, 1021693, 91383, 3539232, 41218, 3699356, 473654]

cp's OEIS Frontend

A284477 Pairs of integers (x, y), such that x^2 + 1 and y^2 + 1, 1 < y < x, have the same distinct prime factors.

Table of values

List of values