128472
domain: N
Appears in sequences
- a(n) = Sum_{k=0..n} binomial(n, k)*|S1(n, k)|.at n=7A211210
- Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j-1,-n-1)*S1(k,j), S1 the Stirling cycle numbers A132393, for n>=0 and 0<=k<=n.at n=35A271700
- Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=9A298503