A274968 - cp's OEIS frontend

A274968 Even numbers n >= 4 which are not m-gonal number for 3 <= m < n.

n	a(n)
1	4
2	8
3	14
4	20
5	26
6	32
7	38
8	44
9	50
10	56
11	62
12	68
13	74
14	80
15	86
16	98
17	104
18	110
19	116
20	122
21	128
22	134
23	140
24	146
25	152
26	158
27	164
28	170
29	182
30	188
31	194
32	200
33	206
34	212
35	218
36	224
37	230
38	236
39	242
40	248
41	254
42	266
43	272
44	278
45	284
46	290
47	296
48	302

[4, 8, 14, 20, 26, 32, 38, 44, 50, 56, 62, 68, 74, 80, 86, 98, 104, 110, 116, 122, 128, 134, 140, 146, 152, 158, 164, 170, 182, 188, 194, 200, 206, 212, 218, 224, 230, 236, 242, 248, 254, 266, 272, 278, 284, 290, 296, 302]

cp's OEIS Frontend

A274968 Even numbers n >= 4 which are not m-gonal number for 3 <= m < n.

Table of values

List of values

n	a(n)
1	4
2	8
3	14
4	20
5	26
6	32
7	38
8	44
9	50
10	56
11	62
12	68
13	74
14	80
15	86
16	98
17	104
18	110
19	116
20	122
21	128
22	134
23	140
24	146
25	152
26	158
27	164
28	170
29	182
30	188
31	194
32	200
33	206
34	212
35	218
36	224
37	230
38	236
39	242
40	248
41	254
42	266
43	272
44	278
45	284
46	290
47	296
48	302

n	a(n)
1	4
2	8
3	14
4	20
5	26
6	32
7	38
8	44
9	50
10	56
11	62
12	68
13	74
14	80
15	86
16	98
17	104
18	110
19	116
20	122
21	128
22	134
23	140
24	146
25	152
26	158
27	164
28	170
29	182
30	188
31	194
32	200
33	206
34	212
35	218
36	224
37	230
38	236
39	242
40	248
41	254
42	266
43	272
44	278
45	284
46	290
47	296
48	302

n	a(n)
1	4
2	8
3	14
4	20
5	26
6	32
7	38
8	44
9	50
10	56
11	62
12	68
13	74
14	80
15	86
16	98
17	104
18	110
19	116
20	122
21	128
22	134
23	140
24	146
25	152
26	158
27	164
28	170
29	182
30	188
31	194
32	200
33	206
34	212
35	218
36	224
37	230
38	236
39	242
40	248
41	254
42	266
43	272
44	278
45	284
46	290
47	296
48	302