E.g.f.: S(x,q) = Integral C(x,q) * C(q*x,q) dx, such that C(x,q)^2 - S(x,q)^2 = 1, where S(x,q) = Sum_{n>=0} sum_{k=0..n*(n+1)/2} T(n,k)*x^n*y^k/n!, as an irregular triangle of coefficients T(n,k) read by rows.
A322219
E.g.f.: S(x,q) = Integral C(x,q) * C(q*x,q) dx, such that C(x,q)^2 - S(x,q)^2 = 1, where S(x,q) = Sum_{n>=0} sum_{k=0..n*(n+1)/2} T(n,k)*x^n*y^k/n!, as an irregular triangle of coefficients T(n,k) read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =10a(5) =1a(6) =4a(7) =1a(8) =35a(9) =91a(10) =85a(11) =20a(12) =16a(13) =24a(14) =1a(15) =84a(16) =966a(17) =1324a(18) =2737a(19) =632a(20) =1200a(21) =288a(22) =384a(23) =128a(24) =192a(25) =1a(26) =165a(27) =5082a(28) =26818a(29) =50941
External references
- oeis: A322219