2755264

Appears in sequences

• Infinite lower triangular matrix, M, that satisfies [M^4](i,j) = M(i+1,j+1) for all i,j>=0 where [M^n](i,j) denotes the element at row i, column j, of the n-th power of matrix M, with M(0,k)=1 and M(k,k)=1 for all k>=0.at n=24A078536
• a(n) = n^4 + 28*n^3 + 252*n^2 + 784*n + 448.at n=34A346514