Expansion of 1/(1 - Sum_{k>=1} mu(k)^2*x^k/(1 - x^k)^2).

Terms

a(0) =1a(1) =1a(2) =4a(3) =11a(4) =33a(5) =94a(6) =279a(7) =803a(8) =2348a(9) =6823a(10) =19879a(11) =57834a(12) =168405a(13) =490125a(14) =1426824a(15) =4153197a(16) =12089787a(17) =35191868a(18) =102440785a(19) =298194567a(20) =868017488a(21) =2526715121a(22) =7355031727a(23) =21409798576a(24) =62321907805a(25) =181413177769a(26) =528076639862