A219527 - cp's OEIS frontend

A219527 a(n) = (6n^2 + 7n - 9 + 2n^3)/12 - (-1)^n(n+1)/4.

n	a(n)
1	1
2	3
3	11
4	19
5	37
6	55
7	87
8	119
9	169
10	219
11	291
12	363
13	461
14	559
15	687
16	815
17	977
18	1139
19	1339
20	1539
21	1781
22	2023
23	2311
24	2599
25	2937
26	3275
27	3667
28	4059
29	4509
30	4959
31	5471
32	5983
33	6561
34	7139
35	7787
36	8435
37	9157
38	9879
39	10679
40	11479
41	12361
42	13243

[1, 3, 11, 19, 37, 55, 87, 119, 169, 219, 291, 363, 461, 559, 687, 815, 977, 1139, 1339, 1539, 1781, 2023, 2311, 2599, 2937, 3275, 3667, 4059, 4509, 4959, 5471, 5983, 6561, 7139, 7787, 8435, 9157, 9879, 10679, 11479, 12361, 13243]

cp's OEIS Frontend

A219527 a(n) = (6n^2 + 7n - 9 + 2n^3)/12 - (-1)^n(n+1)/4.

Table of values

List of values

cp's OEIS Frontend

A219527 a(n) = (6*n^2 + 7*n - 9 + 2*n^3)/12 - (-1)^n*(n+1)/4.

Table of values

List of values

A219527 a(n) = (6n^2 + 7n - 9 + 2n^3)/12 - (-1)^n(n+1)/4.