A255211 - cp's OEIS frontend

A255211 a(n) = n(n+1)(7*n+2)/6.

n	a(n)
0	0
1	3
2	16
3	46
4	100
5	185
6	308
7	476
8	696
9	975
10	1320
11	1738
12	2236
13	2821
14	3500
15	4280
16	5168
17	6171
18	7296
19	8550
20	9940
21	11473
22	13156
23	14996
24	17000
25	19175
26	21528
27	24066
28	26796
29	29725
30	32860
31	36208
32	39776
33	43571
34	47600
35	51870
36	56388
37	61161
38	66196
39	71500
40	77080
41	82943

[0, 3, 16, 46, 100, 185, 308, 476, 696, 975, 1320, 1738, 2236, 2821, 3500, 4280, 5168, 6171, 7296, 8550, 9940, 11473, 13156, 14996, 17000, 19175, 21528, 24066, 26796, 29725, 32860, 36208, 39776, 43571, 47600, 51870, 56388, 61161, 66196, 71500, 77080, 82943]

cp's OEIS Frontend

A255211 a(n) = n(n+1)(7*n+2)/6.

Table of values

List of values

cp's OEIS Frontend

A255211 a(n) = n*(n+1)*(7*n+2)/6.

Table of values

List of values

A255211 a(n) = n(n+1)(7*n+2)/6.