Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 2..n-2.
A180833
Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 2..n-2.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =11a(5) =403a(6) =13194a(7) =232088a(8) =3338772a(9) =34074527a(10) =290017026a(11) =1971610995a(12) =11651785754a(13) =58783446024a(14) =266722410390
External references
- oeis: A180833