G.f.: (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - ...))))) / (1 + x/(1 + x^2/(1 + x^3/(1 + x^4/(1 + ...))))), a continued fraction.
A285635
G.f.: (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - ...))))) / (1 + x/(1 + x^2/(1 + x^3/(1 + x^4/(1 + ...))))), a continued fraction.
Terms
- a(0) =1a(1) =-2a(2) =2a(3) =-2a(4) =0a(5) =0a(6) =-2a(7) =2a(8) =-4a(9) =0a(10) =-2a(11) =-6a(12) =0a(13) =-10a(14) =-6a(15) =-12a(16) =-20a(17) =-20a(18) =-40a(19) =-46a(20) =-68a(21) =-104a(22) =-132a(23) =-204a(24) =-280a(25) =-394a(26) =-578a(27) =-790a(28) =-1154a(29) =-1616
External references
- oeis: A285635