A001082 - cp's OEIS frontend

A001082 Generalized octagonal numbers: k(3k-2), k=0, +- 1, +- 2, +-3, ...

n	a(n)
1	0
2	1
3	5
4	8
5	16
6	21
7	33
8	40
9	56
10	65
11	85
12	96
13	120
14	133
15	161
16	176
17	208
18	225
19	261
20	280
21	320
22	341
23	385
24	408
25	456
26	481
27	533
28	560
29	616
30	645
31	705
32	736
33	800
34	833
35	901
36	936
37	1008
38	1045
39	1121
40	1160
41	1240
42	1281
43	1365
44	1408
45	1496
46	1541
47	1633
48	1680
49	1776
50	1825
51	1925
52	1976

[0, 1, 5, 8, 16, 21, 33, 40, 56, 65, 85, 96, 120, 133, 161, 176, 208, 225, 261, 280, 320, 341, 385, 408, 456, 481, 533, 560, 616, 645, 705, 736, 800, 833, 901, 936, 1008, 1045, 1121, 1160, 1240, 1281, 1365, 1408, 1496, 1541, 1633, 1680, 1776, 1825, 1925, 1976]

cp's OEIS Frontend

A001082 Generalized octagonal numbers: k(3k-2), k=0, +- 1, +- 2, +-3, ...

Table of values

List of values

cp's OEIS Frontend

A001082 Generalized octagonal numbers: k*(3*k-2), k=0, +- 1, +- 2, +-3, ...

Table of values

List of values

A001082 Generalized octagonal numbers: k(3k-2), k=0, +- 1, +- 2, +-3, ...