A237616 - cp's OEIS frontend

A237616 a(n) = n(n + 1)(5*n - 4)/2.

n	a(n)
0	0
1	1
2	18
3	66
4	160
5	315
6	546
7	868
8	1296
9	1845
10	2530
11	3366
12	4368
13	5551
14	6930
15	8520
16	10336
17	12393
18	14706
19	17290
20	20160
21	23331
22	26818
23	30636
24	34800
25	39325
26	44226
27	49518
28	55216
29	61335
30	67890
31	74896
32	82368
33	90321
34	98770
35	107730
36	117216
37	127243
38	137826
39	148980
40	160720

[0, 1, 18, 66, 160, 315, 546, 868, 1296, 1845, 2530, 3366, 4368, 5551, 6930, 8520, 10336, 12393, 14706, 17290, 20160, 23331, 26818, 30636, 34800, 39325, 44226, 49518, 55216, 61335, 67890, 74896, 82368, 90321, 98770, 107730, 117216, 127243, 137826, 148980, 160720]

cp's OEIS Frontend

A237616 a(n) = n(n + 1)(5*n - 4)/2.

Table of values

List of values

cp's OEIS Frontend

A237616 a(n) = n*(n + 1)*(5*n - 4)/2.

Table of values

List of values

A237616 a(n) = n(n + 1)(5*n - 4)/2.