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

A180801

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

Terms

    a(0) =1a(1) =30a(2) =676a(3) =12502a(4) =163480a(5) =1687310a(6) =13449091a(7) =89142751a(8) =492505059a(9) =2376231744a(10) =10047650419a(11) =38448350058a(12) =133156230854a(13) =427570371184

External references