A136977 Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 9.

1, 3, 5, 11, 15, 23, 35, 39, 111, 115, 123, 139, 235, 315, 335, 1235, 1239, 1515, 1523, 2315, 3335, 3515, 3911, 11515, 12335, 13911, 15911, 23515, 23523, 31515, 33335, 33515, 95511, 95515, 123335, 123515, 123911, 151523, 159139, 231515, 333335, 333515, 353911, 593239, 1122139, 1151239, 1233335, 1233515, 1523523, 1591515, 1592235, 1593523

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..423

J. Wellons, Tables of Shared Digits [archived]

Example

592921515323515^2 = 351555923333533232955111955225.

Crossrefs

Sequence in context: A034169 A217384 A335279 * A003529 A018667 A102751

Adjacent sequences: A136974 A136975 A136976 * A136978 A136979 A136980

Keyword

base,nonn

Author

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

Status

approved