Number of distinct solutions of sum{i=1..8}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.
A180800
Number of distinct solutions of sum{i=1..8}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.
Terms
- a(0) =1a(1) =25a(2) =435a(3) =6302a(4) =63988a(5) =526152a(6) =3362296a(7) =18294610a(8) =83656074a(9) =340334735a(10) =1222011919a(11) =4033921144a(12) =12105114076a(13) =34125015671a(14) =89380952993a(15) =223056939011a(16) =524533055884
External references
- oeis: A180800