A136841 Numbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 9.

0, 1, 3, 10, 30, 100, 300, 1000, 1049, 1393, 3000, 10000, 10490, 10493, 13930, 30000, 33903, 44049, 100000, 100499, 104900, 104930, 109499, 139300, 300000, 339030, 440490, 1000000, 1004990, 1004993, 1049000, 1049300, 1094990, 1393000, 3000000, 3390300, 4404900, 10000000, 10004999, 10049900, 10049930, 10490000, 10493000, 10909143

Offset

1,3

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..354

J. Wellons, Tables of Shared Digits [archived]

Example

109091404309143^2 = 11900934494140903909113394449.

Crossrefs

Sequence in context: A300421 A302289 A003441 * A136846 A004663 A136853

Adjacent sequences: A136838 A136839 A136840 * A136842 A136843 A136844

Keyword

base,nonn,changed

Author

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

Status

approved