G.f. satisfies A(x) = exp( Sum_{k>=1} (3 + A(x^k)) * x^k/k ).
A363507
G.f. satisfies A(x) = exp( Sum_{k>=1} (3 + A(x^k)) * x^k/k ).
Terms
- a(0) =1a(1) =4a(2) =14a(3) =50a(4) =191a(5) =763a(6) =3180a(7) =13640a(8) =59937a(9) =268304a(10) =1219626a(11) =5614038a(12) =26117296a(13) =122598622a(14) =579977691a(15) =2762264225a(16) =13234003724a(17) =63737225733a(18) =308406648979
External references
- oeis: A363507