A303304 - cp's OEIS frontend

A303304 Generalized 25-gonal (or icosipentagonal) numbers: m(23m - 21)/2 with m = 0, +1, -1, +2, -2, +3, -3, ...

n	a(n)
0	0
1	1
2	22
3	25
4	67
5	72
6	135
7	142
8	226
9	235
10	340
11	351
12	477
13	490
14	637
15	652
16	820
17	837
18	1026
19	1045
20	1255
21	1276
22	1507
23	1530
24	1782
25	1807
26	2080
27	2107
28	2401
29	2430
30	2745
31	2776
32	3112
33	3145
34	3502
35	3537
36	3915
37	3952
38	4351
39	4390
40	4810
41	4851
42	5292
43	5335
44	5797
45	5842
46	6325
47	6372
48	6876
49	6925

[0, 1, 22, 25, 67, 72, 135, 142, 226, 235, 340, 351, 477, 490, 637, 652, 820, 837, 1026, 1045, 1255, 1276, 1507, 1530, 1782, 1807, 2080, 2107, 2401, 2430, 2745, 2776, 3112, 3145, 3502, 3537, 3915, 3952, 4351, 4390, 4810, 4851, 5292, 5335, 5797, 5842, 6325, 6372, 6876, 6925]

cp's OEIS Frontend

A303304 Generalized 25-gonal (or icosipentagonal) numbers: m(23m - 21)/2 with m = 0, +1, -1, +2, -2, +3, -3, ...

Table of values

List of values

cp's OEIS Frontend

A303304 Generalized 25-gonal (or icosipentagonal) numbers: m*(23*m - 21)/2 with m = 0, +1, -1, +2, -2, +3, -3, ...

Table of values

List of values

A303304 Generalized 25-gonal (or icosipentagonal) numbers: m(23m - 21)/2 with m = 0, +1, -1, +2, -2, +3, -3, ...