A061927 - cp's OEIS frontend

A061927 a(n) = n(n+1)(2n+1)(n^2+n+3)/30.

n	a(n)
0	0
1	1
2	9
3	42
4	138
5	363
6	819
7	1652
8	3060
9	5301
10	8701
11	13662
12	20670
13	30303
14	43239
15	60264
16	82280
17	110313
18	145521
19	189202
20	242802
21	307923
22	386331
23	479964
24	590940
25	721565
26	874341
27	1051974
28	1257382
29	1493703
30	1764303
31	2072784
32	2422992
33	2819025

[0, 1, 9, 42, 138, 363, 819, 1652, 3060, 5301, 8701, 13662, 20670, 30303, 43239, 60264, 82280, 110313, 145521, 189202, 242802, 307923, 386331, 479964, 590940, 721565, 874341, 1051974, 1257382, 1493703, 1764303, 2072784, 2422992, 2819025]

cp's OEIS Frontend

A061927 a(n) = n(n+1)(2n+1)(n^2+n+3)/30.

Table of values

List of values

cp's OEIS Frontend

A061927 a(n) = n*(n+1)*(2*n+1)*(n^2+n+3)/30.

Table of values

List of values

A061927 a(n) = n(n+1)(2n+1)(n^2+n+3)/30.