A004126 - cp's OEIS frontend

A004126 a(n) = n(7n^2 - 1)/6.

n	a(n)
0	0
1	1
2	9
3	31
4	74
5	145
6	251
7	399
8	596
9	849
10	1165
11	1551
12	2014
13	2561
14	3199
15	3935
16	4776
17	5729
18	6801
19	7999
20	9330
21	10801
22	12419
23	14191
24	16124
25	18225
26	20501
27	22959
28	25606
29	28449
30	31495
31	34751
32	38224
33	41921
34	45849
35	50015
36	54426
37	59089
38	64011

[0, 1, 9, 31, 74, 145, 251, 399, 596, 849, 1165, 1551, 2014, 2561, 3199, 3935, 4776, 5729, 6801, 7999, 9330, 10801, 12419, 14191, 16124, 18225, 20501, 22959, 25606, 28449, 31495, 34751, 38224, 41921, 45849, 50015, 54426, 59089, 64011]

cp's OEIS Frontend

A004126 a(n) = n(7n^2 - 1)/6.

Table of values

List of values

cp's OEIS Frontend

A004126 a(n) = n*(7*n^2 - 1)/6.

Table of values

List of values

A004126 a(n) = n(7n^2 - 1)/6.