Numbers which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))^2) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))^2 - y).
A219963
Numbers which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))^2) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))^2 - y).
Terms
- a(0) =2897a(1) =3159a(2) =3183a(3) =4004a(4) =6335a(5) =7025a(6) =8163a(7) =8237a(8) =8621a(9) =9234a(10) =12204a(11) =12963a(12) =13381a(13) =14340a(14) =15217a(15) =16191a(16) =16438a(17) =17474a(18) =17763a(19) =17972a(20) =18065a(21) =18990a(22) =19677a(23) =19848a(24) =20345a(25) =20803a(26) =21426a(27) =21539a(28) =22022a(29) =25834
External references
- oeis: A219963