Triangle T(n,k) read by rows (n >= 0, k >= 0) with g.f. 1/(1 - f(0)*x - x*y/(1 - f(1)*x - x*y/(1 - f(2)*x - x*y/(1 - f(3)*x - x*y/(1 - f(4)*x - x*y/(1 - ...)))))) where f(n) = n + 1 for n >= 0.

A383019

Triangle T(n,k) read by rows (n >= 0, k >= 0) with g.f. 1/(1 - f(0)*x - x*y/(1 - f(1)*x - x*y/(1 - f(2)*x - x*y/(1 - f(3)*x - x*y/(1 - f(4)*x - x*y/(1 - ...)))))) where f(n) = n + 1 for n >= 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =1a(7) =11a(8) =16a(9) =5a(10) =1a(11) =26a(12) =80a(13) =64a(14) =14a(15) =1a(16) =57a(17) =324a(18) =490a(19) =256a(20) =42a(21) =1a(22) =120a(23) =1170a(24) =2944a(25) =2730a(26) =1024a(27) =132a(28) =1a(29) =247

External references