A204460 - cp's OEIS frontend

A204460 Number of 2n-element subsets that can be chosen from {1,2,...,8n} having element sum n(8n+1).

n	a(n)
0	1
1	4
2	86
3	3486
4	178870
5	10388788
6	652694106
7	43304881124
8	2990752400778
9	212997373622366
10	15542763534960598
11	1156764114321375362
12	87507330113965391948
13	6711208401368504338646
14	520758394504342278328914
15	40818243590325732399837872
16	3227693268242421225516534768

[1, 4, 86, 3486, 178870, 10388788, 652694106, 43304881124, 2990752400778, 212997373622366, 15542763534960598, 1156764114321375362, 87507330113965391948, 6711208401368504338646, 520758394504342278328914, 40818243590325732399837872, 3227693268242421225516534768]

cp's OEIS Frontend

A204460 Number of 2n-element subsets that can be chosen from {1,2,...,8n} having element sum n(8n+1).

Table of values

List of values

cp's OEIS Frontend

A204460 Number of 2*n-element subsets that can be chosen from {1,2,...,8*n} having element sum n*(8*n+1).

Table of values

List of values

A204460 Number of 2n-element subsets that can be chosen from {1,2,...,8n} having element sum n(8n+1).