A002717 - cp's OEIS frontend

A002717 a(n) = floor(n(n+2)(2n+1)/8).

n	a(n)
0	0
1	1
2	5
3	13
4	27
5	48
6	78
7	118
8	170
9	235
10	315
11	411
12	525
13	658
14	812
15	988
16	1188
17	1413
18	1665
19	1945
20	2255
21	2596
22	2970
23	3378
24	3822
25	4303
26	4823
27	5383
28	5985
29	6630
30	7320
31	8056
32	8840
33	9673
34	10557
35	11493
36	12483
37	13528
38	14630
39	15790
40	17010
41	18291
42	19635
43	21043
44	22517
45	24058

[0, 1, 5, 13, 27, 48, 78, 118, 170, 235, 315, 411, 525, 658, 812, 988, 1188, 1413, 1665, 1945, 2255, 2596, 2970, 3378, 3822, 4303, 4823, 5383, 5985, 6630, 7320, 8056, 8840, 9673, 10557, 11493, 12483, 13528, 14630, 15790, 17010, 18291, 19635, 21043, 22517, 24058]

cp's OEIS Frontend

A002717 a(n) = floor(n(n+2)(2n+1)/8).

Table of values

List of values