A275030 - cp's OEIS frontend

A275030 a(1) = 2. a(n) is the smallest prime such that a(n) - a(n-1) is a triangular number.

n	a(n)
1	2
2	3
3	13
4	19
5	29
6	107
7	113
8	149
9	227
10	233
11	239
12	317
13	353
14	359
15	479
16	557
17	563
18	569
19	647
20	653
21	659
22	1187
23	1193
24	1229
25	1307
26	1373
27	1409
28	1487
29	1493
30	1499
31	1619
32	1697
33	1733
34	1811
35	1847
36	1913
37	1949
38	2027
39	2063
40	2069
41	2447
42	2657
43	2663
44	2699
45	2777
46	2843
47	2879
48	2957
49	2963

[2, 3, 13, 19, 29, 107, 113, 149, 227, 233, 239, 317, 353, 359, 479, 557, 563, 569, 647, 653, 659, 1187, 1193, 1229, 1307, 1373, 1409, 1487, 1493, 1499, 1619, 1697, 1733, 1811, 1847, 1913, 1949, 2027, 2063, 2069, 2447, 2657, 2663, 2699, 2777, 2843, 2879, 2957, 2963]

cp's OEIS Frontend

A275030 a(1) = 2. a(n) is the smallest prime such that a(n) - a(n-1) is a triangular number.

Table of values

List of values