A136935 Numbers k such that k and k^2 use only the digits 0, 3, 4, 8 and 9.

0, 3, 30, 300, 3000, 30000, 89938, 300000, 308043, 899380, 899938, 939938, 940393, 940398, 943043, 943898, 3000000, 3080430, 8993333, 8993800, 8993933, 8999083, 8999380, 8999938, 9399380, 9403930, 9403980, 9430430, 9438980, 30000000, 30080393, 30080398, 30803903, 30804300, 89908003, 89933330, 89933333, 89938000, 89939330, 89990830

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..943

J. Wellons, Tables of Shared Digits [archived]

Example

944989094848903^2 = 893004389383348990448400303409.

Mathematica

With[{c={0, 3, 4, 8, 9}}, Select[FromDigits/@Tuples[c, 8], SubsetQ[ c, IntegerDigits[ #^2]]&]] (* Harvey P. Dale, Jul 14 2018 *)

Crossrefs

Sequence in context: A136941 A136940 A136929 * A136942 A136947 A093138

Adjacent sequences: A136932 A136933 A136934 * A136936 A136937 A136938

Keyword

base,nonn

Author

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

Status

approved