Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2*k+1) = A152842(2*n,2*(n-k)) and T(n,2*k) = A152842(2*n,2*(n-k)+1) for n >= k > 0.
A299989
Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2*k+1) = A152842(2*n,2*(n-k)) and T(n,2*k) = A152842(2*n,2*(n-k)+1) for n >= k > 0.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =3a(4) =4a(5) =1a(6) =0a(7) =9a(8) =24a(9) =22a(10) =8a(11) =1a(12) =0a(13) =27a(14) =108a(15) =171a(16) =136a(17) =57a(18) =12a(19) =1a(20) =0a(21) =81a(22) =432a(23) =972a(24) =1200a(25) =886a(26) =400a(27) =108a(28) =16a(29) =1
External references
- oeis: A299989