Vandermonde sequence using x^2 + xy + y^2 applied to (1,2,6,...,n!).
A203685
Vandermonde sequence using x^2 + xy + y^2 applied to (1,2,6,...,n!).
Terms
- a(0) =1a(1) =7a(2) =15652
External references
- oeis: A203685
A203685
Vandermonde sequence using x^2 + xy + y^2 applied to (1,2,6,...,n!).