A115882 - cp's OEIS frontend

A115882 Numbers k such that k + prime(k) gives a triangular number.

n	a(n)
1	1
2	20
3	49
4	65
5	103
6	176
7	279
8	284
9	299
10	437
11	513
12	553
13	656
14	973
15	1271
16	1779
17	1921
18	2156
19	2312
20	2347
21	2554
22	2759
23	3176
24	3379
25	4008
26	4028
27	4132
28	5255
29	6354
30	6764
31	7116
32	8299
33	8334
34	8366
35	8723
36	9277
37	9755
38	10092
39	10475
40	10631
41	11429
42	11842
43	12633
44	13157
45	13627

[1, 20, 49, 65, 103, 176, 279, 284, 299, 437, 513, 553, 656, 973, 1271, 1779, 1921, 2156, 2312, 2347, 2554, 2759, 3176, 3379, 4008, 4028, 4132, 5255, 6354, 6764, 7116, 8299, 8334, 8366, 8723, 9277, 9755, 10092, 10475, 10631, 11429, 11842, 12633, 13157, 13627]

cp's OEIS Frontend

A115882 Numbers k such that k + prime(k) gives a triangular number.

Table of values

List of values