Fluctuations of the number of biquadrate integers not exceeding 10^n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =-1a(9) =3a(10) =0a(11) =8a(12) =4a(13) =-5a(14) =10a(15) =1a(16) =-11a(17) =-13a(18) =-40a(19) =-19a(20) =-99a(21) =33a(22) =-63a(23) =91a(24) =88a(25) =148a(26) =-4a(27) =-805a(28) =185a(29) =613