A071238 - cp's OEIS frontend

A071238 a(n) = n(n+1)(2*n^2+1)/6.

n	a(n)
0	0
1	1
2	9
3	38
4	110
5	255
6	511
7	924
8	1548
9	2445
10	3685
11	5346
12	7514
13	10283
14	13755
15	18040
16	23256
17	29529
18	36993
19	45790
20	56070
21	67991
22	81719
23	97428
24	115300
25	135525
26	158301
27	183834
28	212338
29	244035
30	279155
31	317936
32	360624
33	407473
34	458745
35	514710
36	575646
37	641839

[0, 1, 9, 38, 110, 255, 511, 924, 1548, 2445, 3685, 5346, 7514, 10283, 13755, 18040, 23256, 29529, 36993, 45790, 56070, 67991, 81719, 97428, 115300, 135525, 158301, 183834, 212338, 244035, 279155, 317936, 360624, 407473, 458745, 514710, 575646, 641839]

cp's OEIS Frontend

A071238 a(n) = n(n+1)(2*n^2+1)/6.

Table of values

List of values

cp's OEIS Frontend

A071238 a(n) = n*(n+1)*(2*n^2+1)/6.

Table of values

List of values

A071238 a(n) = n(n+1)(2*n^2+1)/6.