A180801 - cp's OEIS frontend

A180801 Number of distinct solutions of sum{i=1..9}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.

n	a(n)
1	1
2	30
3	676
4	12502
5	163480
6	1687310
7	13449091
8	89142751
9	492505059
10	2376231744
11	10047650419
12	38448350058
13	133156230854
14	427570371184
15	1270967124805
16	3561662099758
17	9383313309748
18	23597905122682
19	56409558588283

[1, 30, 676, 12502, 163480, 1687310, 13449091, 89142751, 492505059, 2376231744, 10047650419, 38448350058, 133156230854, 427570371184, 1270967124805, 3561662099758, 9383313309748, 23597905122682, 56409558588283]

cp's OEIS Frontend

A180801 Number of distinct solutions of sum{i=1..9}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.

Table of values

List of values