A127736 - cp's OEIS frontend

A127736 a(n) = n(n^2 + 2n - 1)/2.

n	a(n)
1	1
2	7
3	21
4	46
5	85
6	141
7	217
8	316
9	441
10	595
11	781
12	1002
13	1261
14	1561
15	1905
16	2296
17	2737
18	3231
19	3781
20	4390
21	5061
22	5797
23	6601
24	7476
25	8425
26	9451
27	10557
28	11746
29	13021
30	14385
31	15841
32	17392
33	19041
34	20791
35	22645
36	24606
37	26677
38	28861
39	31161
40	33580
41	36121
42	38787
43	41581

[1, 7, 21, 46, 85, 141, 217, 316, 441, 595, 781, 1002, 1261, 1561, 1905, 2296, 2737, 3231, 3781, 4390, 5061, 5797, 6601, 7476, 8425, 9451, 10557, 11746, 13021, 14385, 15841, 17392, 19041, 20791, 22645, 24606, 26677, 28861, 31161, 33580, 36121, 38787, 41581]

cp's OEIS Frontend

A127736 a(n) = n(n^2 + 2n - 1)/2.

Table of values

List of values

cp's OEIS Frontend

A127736 a(n) = n*(n^2 + 2*n - 1)/2.

Table of values

List of values

A127736 a(n) = n(n^2 + 2n - 1)/2.