Composite numbers k such that A075255(k) is a square.

Terms

a(0) =4a(1) =6a(2) =22a(3) =135a(4) =166a(5) =444a(6) =454a(7) =636a(8) =650a(9) =854a(10) =886a(11) =1086a(12) =1122a(13) =1196a(14) =1431a(15) =1928a(16) =2182a(17) =2244a(18) =2316a(19) =2702a(20) =3046a(21) =3464a(22) =3510a(23) =3770a(24) =4004a(25) =4054a(26) =4125a(27) =4476a(28) =4671a(29) =5052