The number of numbers [ [ ix ]jx ] that equal n, where i >= 1, j >= 1 and x=sqrt(2).

Terms

a(0) =1a(1) =2a(2) =0a(3) =1a(4) =3a(5) =0a(6) =2a(7) =2a(8) =2a(9) =0a(10) =4a(11) =2a(12) =0a(13) =3a(14) =2a(15) =4a(16) =0a(17) =1a(18) =4a(19) =0a(20) =3a(21) =5a(22) =0a(23) =1a(24) =4a(25) =2a(26) =0a(27) =4a(28) =3a(29) =0