A079727 - cp's OEIS frontend

A079727 a(n) = 1 + C(2,1)^3 + C(4,2)^3 + ... + C(2n,n)^3.

n	a(n)
0	1
1	9
2	225
3	8225
4	351225
5	16354233
6	805243257
7	41229480825
8	2172976383825
9	117106008311825
10	6423711336265041
11	357470875526646609
12	20131502573232075025
13	1145190201805448075025
14	65706503254247744075025

[1, 9, 225, 8225, 351225, 16354233, 805243257, 41229480825, 2172976383825, 117106008311825, 6423711336265041, 357470875526646609, 20131502573232075025, 1145190201805448075025, 65706503254247744075025]

cp's OEIS Frontend

A079727 a(n) = 1 + C(2,1)^3 + C(4,2)^3 + ... + C(2n,n)^3.

Table of values

List of values