A204466 - cp's OEIS frontend

A204466 Number of 2n-element subsets that can be chosen from {1,2,...,20n} having element sum n(20n+1).

n	a(n)
0	1
1	10
2	1588
3	479632
4	181913856
5	78132541528
6	36324664278320
7	17841778519299678
8	9124496750611111054
9	4812920777714763364122
10	2601500672087054002816858
11	1434306387533099461310390376
12	803846503605741741601245431730
13	456755915371658053029595187998278

[1, 10, 1588, 479632, 181913856, 78132541528, 36324664278320, 17841778519299678, 9124496750611111054, 4812920777714763364122, 2601500672087054002816858, 1434306387533099461310390376, 803846503605741741601245431730, 456755915371658053029595187998278]

cp's OEIS Frontend

A204466 Number of 2n-element subsets that can be chosen from {1,2,...,20n} having element sum n(20n+1).

Table of values

List of values

cp's OEIS Frontend

A204466 Number of 2*n-element subsets that can be chosen from {1,2,...,20*n} having element sum n*(20*n+1).

Table of values

List of values

A204466 Number of 2n-element subsets that can be chosen from {1,2,...,20n} having element sum n(20n+1).