Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 4*x - (2*k*x)^2).
A387466
Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 4*x - (2*k*x)^2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =6a(6) =1a(7) =2a(8) =8a(9) =20a(10) =1a(11) =2a(12) =14a(13) =32a(14) =70a(15) =1a(16) =2a(17) =24a(18) =68a(19) =136a(20) =252a(21) =1a(22) =2a(23) =38a(24) =128a(25) =406a(26) =592a(27) =924a(28) =1a(29) =2
External references
- oeis: A387466