Triangle, read by rows, defined by: T(n,k) = (4*k+1)*binomial(2*n+1, n-2*k)/(2*n+1) for n >= 2*k >= 0.
A119245
Triangle, read by rows, defined by: T(n,k) = (4*k+1)*binomial(2*n+1, n-2*k)/(2*n+1) for n >= 2*k >= 0.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =5a(6) =14a(7) =20a(8) =1a(9) =42a(10) =75a(11) =9a(12) =132a(13) =275a(14) =54a(15) =1a(16) =429a(17) =1001a(18) =273a(19) =13a(20) =1430a(21) =3640a(22) =1260a(23) =104a(24) =1a(25) =4862a(26) =13260a(27) =5508a(28) =663a(29) =17
External references
- oeis: A119245