Infinite square array read by antidiagonals: a(q,n) is the coefficient of z^n in the series expansion of C(z)^q/(1-4z)^(3/2), where C(z) = (1-sqrt(1-4z))/(2z) is the Catalan function (q,n = 0,1,2,...).
A143019
Infinite square array read by antidiagonals: a(q,n) is the coefficient of z^n in the series expansion of C(z)^q/(1-4z)^(3/2), where C(z) = (1-sqrt(1-4z))/(2z) is the Catalan function (q,n = 0,1,2,...).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =1a(4) =7a(5) =30a(6) =1a(7) =8a(8) =38a(9) =140a(10) =1a(11) =9a(12) =47a(13) =187a(14) =630a(15) =1a(16) =10a(17) =57a(18) =244a(19) =874a(20) =2772a(21) =1a(22) =11a(23) =68a(24) =312a(25) =1186a(26) =3958a(27) =12012a(28) =1a(29) =12
External references
- oeis: A143019