1191578522

Appears in sequences

• Sum of multinomial coefficients (n_1+n_2+...)!/(n_1!*n_2!*...) where (n_1, n_2, ...) runs over all integer partitions of n.at n=12A005651
• a(n) = Sum_{k=0..binomial(n,2)} (-1)^k*A152534(n,k).at n=24A152536