55988

Appears in sequences

• Array A read by diagonals; n-th difference of (A(k,n), A(k,n-1),..., A(k,0)) is (k+2)^(n-1), for n=1,2,3,...; k=0,1,2,...at n=58A047848
• a(n) = A047848(3,n).at n=7A047851