Vandermonde sequence using x^2 + xy + y^2 applied to (0,1,1,2,2,...,floor(n/2)).
A203748
Vandermonde sequence using x^2 + xy + y^2 applied to (0,1,1,2,2,...,floor(n/2)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =588a(4) =1382976a(5) =759365845056
External references
- oeis: A203748