G.f. satisfies A(x) = 1 + x*A(x)^2 / (1 - x*A(x))^4.
A367234
G.f. satisfies A(x) = 1 + x*A(x)^2 / (1 - x*A(x))^4.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =35a(4) =226a(5) =1561a(6) =11276a(7) =84150a(8) =643730a(9) =5021038a(10) =39781858a(11) =319282210a(12) =2590312872a(13) =21208628405a(14) =175024439504
External references
- oeis: A367234