A242488 - cp's OEIS frontend

A242488 Triangle read by rows in which row n lists numbers k such that the greatest prime factor of k^2 - 2 is A038873(n), the n-th prime not congruent to 3 or 5 mod 8.

n	a(n)
1	2
2	3
3	4
4	10
5	6
6	11
7	45
8	108
9	5
10	18
11	28
12	74
13	156
14	235
15	8
16	23
17	39
18	116
19	1201
20	17
21	24
22	58
23	147
24	304
25	550
26	2272
27	390050
28	7
29	40
30	54
31	87
32	101
33	181
34	557
35	1558
36	43764
37	314766
38	12
39	59
40	130
41	225
42	414
43	1077
44	1124
45	2686
46	3420
47	4035
48	32
49	41
50	178
51	333
52	698
53	844
54	1638
55	4567
56	15362
57	364384

[2, 3, 4, 10, 6, 11, 45, 108, 5, 18, 28, 74, 156, 235, 8, 23, 39, 116, 1201, 17, 24, 58, 147, 304, 550, 2272, 390050, 7, 40, 54, 87, 101, 181, 557, 1558, 43764, 314766, 12, 59, 130, 225, 414, 1077, 1124, 2686, 3420, 4035, 32, 41, 178, 333, 698, 844, 1638, 4567, 15362, 364384]

cp's OEIS Frontend

A242488 Triangle read by rows in which row n lists numbers k such that the greatest prime factor of k^2 - 2 is A038873(n), the n-th prime not congruent to 3 or 5 mod 8.

Table of values

List of values