Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is the coefficient of x^(k*n) in expansion of ( (1 + x)/(1 - x) )^n.
A336521
Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is the coefficient of x^(k*n) in expansion of ( (1 + x)/(1 - x) )^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =2a(8) =8a(9) =1a(10) =1a(11) =2a(12) =16a(13) =38a(14) =1a(15) =1a(16) =2a(17) =24a(18) =146a(19) =192a(20) =1a(21) =1a(22) =2a(23) =32a(24) =326a(25) =1408a(26) =1002a(27) =1a(28) =1a(29) =2
External references
- oeis: A336521