A000566 - cp's OEIS frontend

A000566 Heptagonal numbers (or 7-gonal numbers): n(5n-3)/2.

n	a(n)
0	0
1	1
2	7
3	18
4	34
5	55
6	81
7	112
8	148
9	189
10	235
11	286
12	342
13	403
14	469
15	540
16	616
17	697
18	783
19	874
20	970
21	1071
22	1177
23	1288
24	1404
25	1525
26	1651
27	1782
28	1918
29	2059
30	2205
31	2356
32	2512
33	2673
34	2839
35	3010
36	3186
37	3367
38	3553
39	3744
40	3940
41	4141
42	4347
43	4558
44	4774
45	4995
46	5221
47	5452
48	5688

[0, 1, 7, 18, 34, 55, 81, 112, 148, 189, 235, 286, 342, 403, 469, 540, 616, 697, 783, 874, 970, 1071, 1177, 1288, 1404, 1525, 1651, 1782, 1918, 2059, 2205, 2356, 2512, 2673, 2839, 3010, 3186, 3367, 3553, 3744, 3940, 4141, 4347, 4558, 4774, 4995, 5221, 5452, 5688]

cp's OEIS Frontend

A000566 Heptagonal numbers (or 7-gonal numbers): n(5n-3)/2.

Table of values

List of values

cp's OEIS Frontend

A000566 Heptagonal numbers (or 7-gonal numbers): n*(5*n-3)/2.

Table of values

List of values

A000566 Heptagonal numbers (or 7-gonal numbers): n(5n-3)/2.