1151331domain: NAppears in sequencesSum{k=1 to n} H(k) k!, where H(k) = sum{j=1 to k} 1/j.at n=9A097422This table (read by rows) shows the coefficients of sum formulas of n-th subfactorial numbers (A000166). The n-th row (n>=1) contains T(i,n) for i=1 to n, where T(i,n) satisfies Subf(n) = Sum_{i=1..n} T(i,n) * n^(n-i).at n=53A101559