4546558080domain: NAppears in sequencesa(n) = n!*(1 - 1/2 + 1/3 - ... + c/n), where c = (-1)^(n+1).at n=12A024167a(n) = n! * Sum_{k=ceiling(n/2)..n} 1/k.at n=12A101611Coefficient array of numerator polynomials of the ordinary generating functions for the alternating sums of powers for the numbers 1,2,...,2*n+1.at n=48A196848