Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1.

A180792

Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1.

Terms

    a(0) =0a(1) =0a(2) =26a(3) =744a(4) =18475a(5) =326446a(6) =4292149a(7) =43506488a(8) =354466019a(9) =2391684440a(10) =13770292256a(11) =69044240450a(12) =307750080388

External references