A180800 - cp's OEIS frontend

A180800 Number of distinct solutions of sum{i=1..8}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.

n	a(n)
1	1
2	25
3	435
4	6302
5	63988
6	526152
7	3362296
8	18294610
9	83656074
10	340334735
11	1222011919
12	4033921144
13	12105114076
14	34125015671
15	89380952993
16	223056939011
17	524533055884
18	1188931232028
19	2564070855994
20	5372508105333
21	10797948228909

[1, 25, 435, 6302, 63988, 526152, 3362296, 18294610, 83656074, 340334735, 1222011919, 4033921144, 12105114076, 34125015671, 89380952993, 223056939011, 524533055884, 1188931232028, 2564070855994, 5372508105333, 10797948228909]

cp's OEIS Frontend

A180800 Number of distinct solutions of sum{i=1..8}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.

Table of values

List of values