Triangle T(n, k, j) = T(n-1, k, j) + T(n-1, k-1, j) + (2*j + 1)*prime(j)*T(n-2, k-1, j) with T(2, k, j) = prime(j) and j = 7, read by rows.
A153652
Triangle T(n, k, j) = T(n-1, k, j) + T(n-1, k-1, j) + (2*j + 1)*prime(j)*T(n-2, k-1, j) with T(2, k, j) = prime(j) and j = 7, read by rows.
Terms
- a(0) =2a(1) =17a(2) =17a(3) =2a(4) =574a(5) =2a(6) =2a(7) =4911a(8) =4911a(9) =2a(10) =2a(11) =5423a(12) =156192a(13) =5423a(14) =2a(15) =2a(16) =5935a(17) =1413920a(18) =1413920a(19) =5935a(20) =2a(21) =2a(22) =6447a(23) =2802720a(24) =42656800a(25) =2802720a(26) =6447a(27) =2a(28) =2a(29) =6959
External references
- oeis: A153652