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

A281573

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

Terms

    a(0) =1a(1) =3a(2) =6a(3) =11a(4) =19a(5) =33a(6) =51a(7) =79a(8) =118a(9) =176a(10) =252a(11) =362a(12) =505a(13) =705a(14) =965a(15) =1314a(16) =1765a(17) =2365a(18) =3127a(19) =4124a(20) =5387a(21) =7012a(22) =9052a(23) =11653a(24) =14893a(25) =18982a(26) =24048a(27) =30378a(28) =38176a(29) =47857

External references