Squares in A145768 (XOR of squares of the numbers 1...n).

Terms

a(0) =0a(1) =1a(2) =16a(3) =1a(4) =225a(5) =0a(6) =256a(7) =400a(8) =961a(9) =256a(10) =2401a(11) =4225a(12) =50176a(13) =9216a(14) =9216a(15) =113569a(16) =20736a(17) =518400a(18) =160000a(19) =893025a(20) =390625a(21) =861184a(22) =685584a(23) =134689a(24) =861184a(25) =3568321a(26) =389376a(27) =6806881a(28) =12730624a(29) =12730624