A137997 - cp's OEIS frontend

A137997 Numbers which are not the sum of a triangular number and zero or a prime = 3 (mod 4).

n	a(n)
1	2
2	5
3	16
4	27
5	30
6	42
7	54
8	61
9	63
10	90
11	96
12	129
13	144
14	165
15	204
16	216
17	225
18	285
19	288
20	309
21	333
22	340
23	345
24	390
25	405
26	423
27	426
28	448
29	462
30	525
31	540
32	556
33	624
34	651
35	705
36	801
37	813
38	876
39	945
40	960
41	1056
42	1230
43	1371
44	1380
45	1470
46	1491
47	1827
48	2085
49	2157
50	2181
51	2220
52	2355

[2, 5, 16, 27, 30, 42, 54, 61, 63, 90, 96, 129, 144, 165, 204, 216, 225, 285, 288, 309, 333, 340, 345, 390, 405, 423, 426, 448, 462, 525, 540, 556, 624, 651, 705, 801, 813, 876, 945, 960, 1056, 1230, 1371, 1380, 1470, 1491, 1827, 2085, 2157, 2181, 2220, 2355]

cp's OEIS Frontend

A137997 Numbers which are not the sum of a triangular number and zero or a prime = 3 (mod 4).

Table of values

List of values