G.f. satisfies A(x) = 1 + x*A(x)^2 / (1 - x*A(x))^3.
A365150
G.f. satisfies A(x) = 1 + x*A(x)^2 / (1 - x*A(x))^3.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =26a(4) =150a(5) =925a(6) =5967a(7) =39772a(8) =271758a(9) =1893431a(10) =13400897a(11) =96078789a(12) =696333585a(13) =5093266409a(14) =37549674939a(15) =278739057687
External references
- oeis: A365150