G.f. satisfies A(x) = Sum_{n>=0} x^n * Product_{k=0..n} (1 + a(1)*x + a(2)*x^2 + a(3)*x^3 + ... + a(k)*x^k).
A385906
G.f. satisfies A(x) = Sum_{n>=0} x^n * Product_{k=0..n} (1 + a(1)*x + a(2)*x^2 + a(3)*x^3 + ... + a(k)*x^k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =7a(5) =14a(6) =30a(7) =67a(8) =153a(9) =350a(10) =825a(11) =1962a(12) =4697a(13) =11352a(14) =27675a(15) =67887a(16) =167535a(17) =415497a(18) =1035419a(19) =2591793a(20) =6513049a(21) =16424266a(22) =41552002a(23) =105440280a(24) =268304576a(25) =684483604a(26) =1750370654a(27) =4485998048a(28) =11520924573a(29) =29645470257
External references
- oeis: A385906