54978

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^18.at n=21A010824
• a(n) = n*(2*n+5)*(2*n+7).at n=22A035329
• Coordination sequence for D_17 lattice.at n=2A107512
• Numbers whose prime exponents generates rotationally symmetric XOR-triangles.at n=31A335019
• Numbers that are the sum of four fourth powers in three or more ways.at n=4A344241
• Numbers that are the sum of four fourth powers in exactly three ways.at n=4A344242
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k * (7*k+1) * binomial(2*n-5*k+1,n-6*k)/(2*n-5*k+1).at n=11A390477