88519

Appears in sequences

• Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^6.at n=30A029843
• Numbers k such that 6*phi(k) = 5*sigma(k).at n=6A065823
• Number of strict compositions of n with all adjacent parts (x, y) satisfying x < 2y and y < 2x.at n=64A342341
• a(n) = Sum_{k=0..floor(n/3)} 2^k * binomial(n-2*k,k)^2.at n=15A387507