A226449 - cp's OEIS frontend

A226449 a(n) = n(5n^2-8*n+5)/2.

n	a(n)
0	0
1	1
2	9
3	39
4	106
5	225
6	411
7	679
8	1044
9	1521
10	2125
11	2871
12	3774
13	4849
14	6111
15	7575
16	9256
17	11169
18	13329
19	15751
20	18450
21	21441
22	24739
23	28359
24	32316
25	36625
26	41301
27	46359
28	51814
29	57681
30	63975
31	70711
32	77904
33	85569
34	93721
35	102375
36	111546
37	121249
38	131499
39	142311
40	153700

[0, 1, 9, 39, 106, 225, 411, 679, 1044, 1521, 2125, 2871, 3774, 4849, 6111, 7575, 9256, 11169, 13329, 15751, 18450, 21441, 24739, 28359, 32316, 36625, 41301, 46359, 51814, 57681, 63975, 70711, 77904, 85569, 93721, 102375, 111546, 121249, 131499, 142311, 153700]

cp's OEIS Frontend

A226449 a(n) = n(5n^2-8*n+5)/2.

Table of values

List of values

cp's OEIS Frontend

A226449 a(n) = n*(5*n^2-8*n+5)/2.

Table of values

List of values

A226449 a(n) = n(5n^2-8*n+5)/2.