82196224domain: NAppears in sequencesTriangular matrix, read by rows, that satisfies: T(n,k) = [T^4](n-1,k) when n>k>=0, with T(n,n) = (n+1).at n=16A102101Column 1 of triangular matrix A102101, which shifts upward to exclude the main diagonal under matrix fourth power.at n=5A102103