A275340 - cp's OEIS frontend

A275340 Nontrivial centered polygonal numbers: numbers of the form A101321(n,k) where n >= 1 and k >= 2.

n	a(n)
1	4
2	7
3	10
4	11
5	13
6	16
7	19
8	21
9	22
10	25
11	28
12	29
13	31
14	34
15	37
16	40
17	41
18	43
19	46
20	49
21	51
22	52
23	55
24	56
25	57
26	58
27	61
28	64
29	67
30	70
31	71
32	73
33	76
34	79
35	81
36	82
37	85
38	88
39	91
40	92
41	94
42	97
43	100
44	101
45	103
46	106
47	109
48	111
49	112
50	113
51	115
52	118
53	121
54	124
55	127
56	130
57	131
58	133
59	136
60	137
61	139
62	141
63	142
64	145
65	148
66	151

[4, 7, 10, 11, 13, 16, 19, 21, 22, 25, 28, 29, 31, 34, 37, 40, 41, 43, 46, 49, 51, 52, 55, 56, 57, 58, 61, 64, 67, 70, 71, 73, 76, 79, 81, 82, 85, 88, 91, 92, 94, 97, 100, 101, 103, 106, 109, 111, 112, 113, 115, 118, 121, 124, 127, 130, 131, 133, 136, 137, 139, 141, 142, 145, 148, 151]

cp's OEIS Frontend

A275340 Nontrivial centered polygonal numbers: numbers of the form A101321(n,k) where n >= 1 and k >= 2.

Table of values

List of values

n	a(n)
1	4
2	7
3	10
4	11
5	13
6	16
7	19
8	21
9	22
10	25
11	28
12	29
13	31
14	34
15	37
16	40
17	41
18	43
19	46
20	49
21	51
22	52
23	55
24	56
25	57
26	58
27	61
28	64
29	67
30	70
31	71
32	73
33	76
34	79
35	81
36	82
37	85
38	88
39	91
40	92
41	94
42	97
43	100
44	101
45	103
46	106
47	109
48	111
49	112
50	113
51	115
52	118
53	121
54	124
55	127
56	130
57	131
58	133
59	136
60	137
61	139
62	141
63	142
64	145
65	148
66	151

n	a(n)
1	4
2	7
3	10
4	11
5	13
6	16
7	19
8	21
9	22
10	25
11	28
12	29
13	31
14	34
15	37
16	40
17	41
18	43
19	46
20	49
21	51
22	52
23	55
24	56
25	57
26	58
27	61
28	64
29	67
30	70
31	71
32	73
33	76
34	79
35	81
36	82
37	85
38	88
39	91
40	92
41	94
42	97
43	100
44	101
45	103
46	106
47	109
48	111
49	112
50	113
51	115
52	118
53	121
54	124
55	127
56	130
57	131
58	133
59	136
60	137
61	139
62	141
63	142
64	145
65	148
66	151

n	a(n)
1	4
2	7
3	10
4	11
5	13
6	16
7	19
8	21
9	22
10	25
11	28
12	29
13	31
14	34
15	37
16	40
17	41
18	43
19	46
20	49
21	51
22	52
23	55
24	56
25	57
26	58
27	61
28	64
29	67
30	70
31	71
32	73
33	76
34	79
35	81
36	82
37	85
38	88
39	91
40	92
41	94
42	97
43	100
44	101
45	103
46	106
47	109
48	111
49	112
50	113
51	115
52	118
53	121
54	124
55	127
56	130
57	131
58	133
59	136
60	137
61	139
62	141
63	142
64	145
65	148
66	151