A137048 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A137048

Numbers k such that k and k^2 use only the digits 1, 4, 5, 6 and 9.

1, 4, 14, 119, 4116, 4119, 4466, 6454, 95454, 956554, 956619, 959166, 4116619, 6415696, 6441616, 6445616, 6446669, 6641946, 6644546, 9959514, 41169669, 44665419, 64466669, 66644546, 95469446, 95469469, 95611696, 441544966, 644666669, 664499166, 666416946, 956114619, 956115419, 995966696, 1191469469, 4116669114, 4411541619

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..195

J. Wellons, Tables of Shared Digits [archived]

EXAMPLE

956919511459514^2 = 915694951411914945566461116196.

CROSSREFS

Sequence in context: A003184 A065062 A240273 * A137056 A302021 A006824

Adjacent sequences: A137045 A137046 A137047 * A137049 A137050 A137051

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved