A098931 - cp's OEIS frontend

A098931 a(0) = 1, a(n) = 1 + 23 + 45 + 67 + ... + (2n)(2n+1) for n > 0.

n	a(n)
0	1
1	7
2	27
3	69
4	141
5	251
6	407
7	617
8	889
9	1231
10	1651
11	2157
12	2757
13	3459
14	4271
15	5201
16	6257
17	7447
18	8779
19	10261
20	11901
21	13707
22	15687
23	17849
24	20201
25	22751
26	25507
27	28477
28	31669
29	35091
30	38751
31	42657
32	46817
33	51239
34	55931
35	60901
36	66157
37	71707
38	77559
39	83721

[1, 7, 27, 69, 141, 251, 407, 617, 889, 1231, 1651, 2157, 2757, 3459, 4271, 5201, 6257, 7447, 8779, 10261, 11901, 13707, 15687, 17849, 20201, 22751, 25507, 28477, 31669, 35091, 38751, 42657, 46817, 51239, 55931, 60901, 66157, 71707, 77559, 83721]

cp's OEIS Frontend

A098931 a(0) = 1, a(n) = 1 + 23 + 45 + 67 + ... + (2n)(2n+1) for n > 0.

Table of values

List of values

cp's OEIS Frontend

A098931 a(0) = 1, a(n) = 1 + 2*3 + 4*5 + 6*7 + ... + (2n)*(2n+1) for n > 0.

Table of values

List of values

A098931 a(0) = 1, a(n) = 1 + 23 + 45 + 67 + ... + (2n)(2n+1) for n > 0.