Array A(n, k) = Product_{j=1..n} ( j - (1+j)*(k+1) + (k+1)^(j+1) ) with A(n, 0) = n!, read by antidiagonals.
A156579
Array A(n, k) = Product_{j=1..n} ( j - (1+j)*(k+1) + (k+1)^(j+1) ) with A(n, 0) = n!, read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =1a(8) =4a(9) =6a(10) =1a(11) =1a(12) =5a(13) =44a(14) =24a(15) =1a(16) =1a(17) =6a(18) =90a(19) =1144a(20) =120a(21) =1a(22) =1a(23) =7a(24) =162a(25) =5220a(26) =65208a(27) =720a(28) =1a(29) =1
External references
- oeis: A156579