Expansion of Sum_{k>=1} mu(k)^2*x^k*(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).

A284942

Expansion of Sum_{k>=1} mu(k)^2*x^k*(1 - x)^2/(1 - 2*x)^2, where mu() is the Moebius function (A008683).

Terms

    a(0) =1a(1) =3a(2) =8a(3) =19a(4) =46a(5) =107a(6) =244a(7) =547a(8) =1213a(9) =2665a(10) =5807a(11) =12567a(12) =27042a(13) =57899a(14) =123428a(15) =262115a(16) =554750a(17) =1170538a(18) =2463154a(19) =5170462a(20) =10829234a(21) =22635087a(22) =47223412a(23) =98353299a(24) =204519549a(25) =424665001a(26) =880581806a(27) =1823667221a(28) =3772341661a(29) =7794697759

External references