114282

Appears in sequences

• Column 0 of the matrix square of triangle A152391.at n=7A152395
• E.g.f. A(x) satisfies A''(x)+A'(x)=exp(A(x))+1.at n=11A200949
• Number of nX3 binary arrays indicating whether each 2X2 subblock of a larger binary array has lexicographically nondecreasing rows and columns, for some larger (n+1)X4 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=10A227253
• Number of length-(n+1) 0..2 arrays with new repeated values introduced in sequential order starting with zero.at n=10A268255
• Triangular array read by rows. T(n,k) is the number of elements of rank k in the order complex of the poset P = [n] X [n], n=0, k=0 or n>0, 0<=k<=2n-1.at n=53A337192