157536

Appears in sequences

• (-1)^n * coefficient of x^n in 1/x-1/(1-eta(x)) power series.at n=32A082531
• a(n) = Sum_{k=0..n} (1-i)^k * (1+i)^(n-k) * binomial(n+1,k) * binomial(n+1,n-k), where i is the imaginary unit.at n=8A387401