64998

Appears in sequences

• Number of self-avoiding polygons of area n with one (self-avoiding polygon) hole on square lattice (not allowing rotations).at n=6A057406
• Number of 0..n arrays of length 5 with each element differing from at least one neighbor by something other than 1.at n=8A221575
• a(n) = cpg(n, 3) + cpg(n, 4) + ... + cpg(n, n) where cpg(n, m) is the m-th n-th-order centered polygonal number.at n=25A257051
• Smallest integer that is the sum of a prime and the square of a prime in n or more ways.at n=35A381333
• Smallest integer that is the sum of a prime and the square of a prime in exactly n ways.at n=35A381334