Array T(n,k) read by antidiagonals: T(n,k) = sum(i=0...n, (-1)^(n+i) * C(n+i,2i) * n/(2i+1) * k^(2i+1) ), n>0, k>1.
A231123
Array T(n,k) read by antidiagonals: T(n,k) = sum(i=0...n, (-1)^(n+i) * C(n+i,2i) * n/(2i+1) * k^(2i+1) ), n>0, k>1.
Terms
- a(0) =2a(1) =2a(2) =18a(3) =2a(4) =123a(5) =52a(6) =2a(7) =843a(8) =724a(9) =110a(10) =2a(11) =5778a(12) =10084a(13) =2525a(14) =198a(15) =2a(16) =39603a(17) =140452a(18) =57965a(19) =6726a(20) =322a(21) =2a(22) =271443a(23) =1956244a(24) =1330670a(25) =228486a(26) =15127a(27) =488a(28) =2a(29) =1860498
External references
- oeis: A231123