A007785 - cp's OEIS frontend

A007785 Number of sets of positive integers <= n^2 whose sum is (n^3 + n)/2.

n	a(n)
0	1
1	1
2	2
3	17
4	306
5	10828
6	654857
7	63019177
8	9183937890
9	1953896126383
10	589909767142505
11	247074213707554144
12	140902072248206260266
13	107704589610917073318533
14	108877374411946899963718973
15	143864444783939220165210185294
16	245934054410000090878614435736720

[1, 1, 2, 17, 306, 10828, 654857, 63019177, 9183937890, 1953896126383, 589909767142505, 247074213707554144, 140902072248206260266, 107704589610917073318533, 108877374411946899963718973, 143864444783939220165210185294, 245934054410000090878614435736720]

cp's OEIS Frontend

A007785 Number of sets of positive integers <= n^2 whose sum is (n^3 + n)/2.

Table of values

List of values