G.f. satisfies A(x) = (1 + x*A(x)^2) * (1 + x^2*A(x)^5).
A200719
G.f. satisfies A(x) = (1 + x*A(x)^2) * (1 + x^2*A(x)^5).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =64a(5) =340a(6) =1903a(7) =11053a(8) =65993a(9) =402527a(10) =2497439a(11) =15712220a(12) =100001459a(13) =642719263a(14) =4165537744a(15) =27193644061a(16) =178654643151
External references
- oeis: A200719