A155190 - cp's OEIS frontend

A155190 Non-triangular numbers having a unique representation as p + t, where p is prime and t is a triangular number.

n	a(n)
1	2
2	4
3	7
4	9
5	16
6	25
7	27
8	42
9	54
10	61
11	63
12	70
13	75
14	87
15	90
16	121
17	126
18	129
19	135
20	186
21	211
22	246
23	315
24	333
25	345
26	396
27	405
28	540
29	556
30	690
31	717
32	801
33	924
34	960
35	1080
36	1863
37	2376
38	2826
39	3900
40	6210
41	8316

[2, 4, 7, 9, 16, 25, 27, 42, 54, 61, 63, 70, 75, 87, 90, 121, 126, 129, 135, 186, 211, 246, 315, 333, 345, 396, 405, 540, 556, 690, 717, 801, 924, 960, 1080, 1863, 2376, 2826, 3900, 6210, 8316]

cp's OEIS Frontend

A155190 Non-triangular numbers having a unique representation as p + t, where p is prime and t is a triangular number.

Table of values

List of values