63782

Appears in sequences

• a(n) = (8 - 2*n + 11*n^2 - 6*n^3 + n^4)/4.at n=23A289121
• a(n) = number of subsets S of {1,2,...,n} having more than 1 element such that (sum of least two elements of S) < max(S).at n=16A357283
• G.f. A(x) = exp( Sum_{n>=1} (n^2 - A384819(n))*x^n/n ) where A384819(k) < k for k >= 1 such that A(x) is a power series with integral coefficients.at n=23A384820