L.g.f.: log( Sum_{k>=0} x^(k^3) ).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =1a(5) =-1a(6) =1a(7) =7a(8) =-8a(9) =9a(10) =-10a(11) =11a(12) =-12a(13) =13a(14) =-14a(15) =7a(16) =1a(17) =-10a(18) =20a(19) =-31a(20) =43a(21) =-56a(22) =70a(23) =-77a(24) =76a(25) =-66a(26) =73a(27) =-43a(28) =1a(29) =54