Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 2..n-2.
A180822
Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 2..n-2.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =18a(5) =602a(6) =13198a(7) =258821a(8) =3339823a(9) =35591489a(10) =290017026a(11) =2017329742a(12) =11651785764a(13) =59635283471a(14) =266728654773
External references
- oeis: A180822