Constant coefficient of the quadratic polynomials giving the numbers of 2k-cycles in the n X n grid graph for n >= k-1.
A302335
Constant coefficient of the quadratic polynomials giving the numbers of 2k-cycles in the n X n grid graph for n >= k-1.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =26a(4) =164a(5) =1046a(6) =6672a(7) =42790a(8) =275888a(9) =1787624a(10) =11634704a(11) =76029888a(12) =498641912a(13) =3281047036a(14) =21652965188
External references
- oeis: A302335