G.f. satisfies A(x) = ( 1 + x*A(x)^2*(1 + x*A(x))^2 )^2.
A365155
G.f. satisfies A(x) = ( 1 + x*A(x)^2*(1 + x*A(x))^2 )^2.
Terms
- a(0) =1a(1) =2a(2) =13a(3) =98a(4) =838a(5) =7690a(6) =74047a(7) =738028a(8) =7549658a(9) =78811732a(10) =836219773a(11) =8991739874a(12) =97769604542
External references
- oeis: A365155