A137022 Numbers k such that k and k^2 use only the digits 1, 3, 4, 5 and 8.

1, 38, 188, 1188, 18388, 58188, 135438, 185888, 334388, 381888, 1145188, 1831538, 3334388, 3338141, 3338388, 3441141, 5843388, 18855188, 33338388, 33344438, 38151188, 185433388, 185558188, 185844438, 185854388, 333344438, 338841141, 385155188, 1153881888, 1155185888, 1353344538, 1354451488, 1881844438, 3381588141

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..106

J. Wellons, Tables of Shared Digits [archived]

Example

558138141814538^2 = 311518185348185331851188153444.

Crossrefs

Sequence in context: A281208 A100167 A100168 * A160064 A297541 A235079

Adjacent sequences: A137019 A137020 A137021 * A137023 A137024 A137025

Keyword

base,nonn,changed

Author

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

Status

approved