A118277 - cp's OEIS frontend

A118277 Generalized 9-gonal (or enneagonal) numbers: m(7m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ...

n	a(n)
0	0
1	1
2	6
3	9
4	19
5	24
6	39
7	46
8	66
9	75
10	100
11	111
12	141
13	154
14	189
15	204
16	244
17	261
18	306
19	325
20	375
21	396
22	451
23	474
24	534
25	559
26	624
27	651
28	721
29	750
30	825
31	856
32	936
33	969
34	1054
35	1089
36	1179
37	1216
38	1311
39	1350
40	1450
41	1491
42	1596
43	1639
44	1749
45	1794
46	1909
47	1956
48	2076
49	2125
50	2250

[0, 1, 6, 9, 19, 24, 39, 46, 66, 75, 100, 111, 141, 154, 189, 204, 244, 261, 306, 325, 375, 396, 451, 474, 534, 559, 624, 651, 721, 750, 825, 856, 936, 969, 1054, 1089, 1179, 1216, 1311, 1350, 1450, 1491, 1596, 1639, 1749, 1794, 1909, 1956, 2076, 2125, 2250]

cp's OEIS Frontend

A118277 Generalized 9-gonal (or enneagonal) numbers: m(7m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ...

Table of values

List of values

cp's OEIS Frontend

A118277 Generalized 9-gonal (or enneagonal) numbers: m*(7*m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ...

Table of values

List of values

A118277 Generalized 9-gonal (or enneagonal) numbers: m(7m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ...