Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.
A180781
Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.
Terms
- a(0) =0a(1) =1a(2) =18a(3) =756a(4) =18478a(5) =327338a(6) =4292145a(7) =43576141a(8) =354466005a(9) =2394458182a(10) =13770292261a(11) =69111228938a(12) =307750080438
External references
- oeis: A180781