754368domain: NAppears in sequencesExpansion of q^(-1/4) * (eta(q^4) / eta(q))^2 in powers of q.at n=35A001936Number of minimal idempotent generating sets for the singular part P_n \ S_n of the partition monoid P_n.at n=7A244491a(n) = Sum_{k=0..n} (-1)^k * binomial(n+k+1,n-k) * Fibonacci(k+1).at n=19A390852