22500000

Appears in sequences

• Number of (n+2)X(2+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=8A251188
• The number of permutations of GF(2^n) that are of the form x -> g(x), where g is a polynomial with coefficients in GF(2).at n=4A326932