A181456 - cp's OEIS frontend

A181456 Numbers k such that 31 is the largest prime factor of k^2 - 1.

n	a(n)
1	30
2	32
3	61
4	63
5	92
6	94
7	125
8	154
9	185
10	249
11	309
12	311
13	342
14	373
15	404
16	433
17	495
18	526
19	528
20	559
21	681
22	683
23	714
24	869
25	898
26	929
27	991
28	1055
29	1084
30	1177
31	1241
32	1301
33	1427
34	1520
35	1611
36	1673
37	1735
38	1799
39	1861
40	1921
41	1954
42	2047
43	2107
44	2419
45	2696
46	2729
47	2851
48	3037

[30, 32, 61, 63, 92, 94, 125, 154, 185, 249, 309, 311, 342, 373, 404, 433, 495, 526, 528, 559, 681, 683, 714, 869, 898, 929, 991, 1055, 1084, 1177, 1241, 1301, 1427, 1520, 1611, 1673, 1735, 1799, 1861, 1921, 1954, 2047, 2107, 2419, 2696, 2729, 2851, 3037]

cp's OEIS Frontend

A181456 Numbers k such that 31 is the largest prime factor of k^2 - 1.

Table of values

List of values