A345350 - cp's OEIS frontend

A345350 Even triangular numbers such that the next integer is nonprime.

n	a(n)
1	0
2	120
3	300
4	406
5	496
6	528
7	666
8	780
9	1176
10	1378
11	1540
12	1770
13	2278
14	2628
15	3160
16	3240
17	3486
18	3828
19	4186
20	4278
21	5356
22	5460
23	5886
24	6670
25	6786
26	7140
27	7260
28	7626
29	7750
30	8128
31	8256
32	9316
33	9730
34	10296
35	10440
36	10878
37	11476
38	11628
39	12090
40	12246
41	12880
42	13530
43	14706
44	15576

[0, 120, 300, 406, 496, 528, 666, 780, 1176, 1378, 1540, 1770, 2278, 2628, 3160, 3240, 3486, 3828, 4186, 4278, 5356, 5460, 5886, 6670, 6786, 7140, 7260, 7626, 7750, 8128, 8256, 9316, 9730, 10296, 10440, 10878, 11476, 11628, 12090, 12246, 12880, 13530, 14706, 15576]

cp's OEIS Frontend

A345350 Even triangular numbers such that the next integer is nonprime.

Table of values

List of values