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,...

A047848

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,...

Terms

    a(0) =1a(1) =2a(2) =1a(3) =5a(4) =2a(5) =1a(6) =14a(7) =6a(8) =2a(9) =1a(10) =41a(11) =22a(12) =7a(13) =2a(14) =1a(15) =122a(16) =86a(17) =32a(18) =8a(19) =2a(20) =1a(21) =365a(22) =342a(23) =157a(24) =44a(25) =9a(26) =2a(27) =1a(28) =1094a(29) =1366

External references