57698

Appears in sequences

• Expansion of 1/Product_{m>=1} (1 - m*q^m)^2.at n=13A022726
• a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 273).at n=11A289603
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor((n/k)^3).at n=39A350222