A330700 - cp's OEIS frontend

A330700 a(n) = (n - 1)n(2n^2 + 4n - 1)/6.

n	a(n)
0	0
1	0
2	5
3	29
4	94
5	230
6	475
7	875
8	1484
9	2364
10	3585
11	5225
12	7370
13	10114
14	13559
15	17815
16	23000
17	29240
18	36669
19	45429
20	55670
21	67550
22	81235
23	96899
24	114724
25	134900
26	157625
27	183105
28	211554
29	243194
30	278255
31	316975
32	359600
33	406384
34	457589
35	513485
36	574350
37	640470
38	712139
39	789659

[0, 0, 5, 29, 94, 230, 475, 875, 1484, 2364, 3585, 5225, 7370, 10114, 13559, 17815, 23000, 29240, 36669, 45429, 55670, 67550, 81235, 96899, 114724, 134900, 157625, 183105, 211554, 243194, 278255, 316975, 359600, 406384, 457589, 513485, 574350, 640470, 712139, 789659]

cp's OEIS Frontend

A330700 a(n) = (n - 1)n(2n^2 + 4n - 1)/6.

Table of values

List of values

cp's OEIS Frontend

A330700 a(n) = (n - 1)*n*(2*n^2 + 4*n - 1)/6.

Table of values

List of values

A330700 a(n) = (n - 1)n(2n^2 + 4n - 1)/6.