G.f.: 1/(1 - x/(1 - x^4/(1 - x^7/(1 - x^10/(1 - x^13/(1 - x^16/(1 -...- x^(3*n-2)/(1 -...)))))))), a continued fraction.
A206737
G.f.: 1/(1 - x/(1 - x^4/(1 - x^7/(1 - x^10/(1 - x^13/(1 - x^16/(1 -...- x^(3*n-2)/(1 -...)))))))), a continued fraction.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =3a(7) =4a(8) =5a(9) =7a(10) =10a(11) =14a(12) =20a(13) =28a(14) =39a(15) =54a(16) =76a(17) =107a(18) =150a(19) =210a(20) =294a(21) =412a(22) =578a(23) =811a(24) =1137a(25) =1593a(26) =2233a(27) =3131a(28) =4390a(29) =6155
External references
- oeis: A206737