A180342 - cp's OEIS frontend

A180342 a(n) = the smallest number k such that the smallest prime factor of k^2 + 1 equals A002144(n).

n	a(n)
1	2
2	34
3	4
4	46
5	6
6	50
7	76
8	194
9	100
10	144
11	366
12	10
13	730
14	324
15	374
16	254
17	286
18	266
19	886
20	274
21	14
22	794
23	610
24	546
25	16
26	456
27	494
28	334
29	724
30	964
31	520
32	526
33	834
34	664
35	1596
36	504
37	3510
38	20
39	2720
40	1234
41	1120
42	516
43	566
44	874
45	810
46	756
47	1134
48	2110
49	1224
50	24
51	670
52	726

[2, 34, 4, 46, 6, 50, 76, 194, 100, 144, 366, 10, 730, 324, 374, 254, 286, 266, 886, 274, 14, 794, 610, 546, 16, 456, 494, 334, 724, 964, 520, 526, 834, 664, 1596, 504, 3510, 20, 2720, 1234, 1120, 516, 566, 874, 810, 756, 1134, 2110, 1224, 24, 670, 726]

cp's OEIS Frontend

A180342 a(n) = the smallest number k such that the smallest prime factor of k^2 + 1 equals A002144(n).

Table of values

List of values