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A137026 Numbers k such that k and k^2 use only the digits 1, 3, 4, 6 and 8. 1
1, 4, 6, 8, 38, 41, 344, 1146, 1188, 3381, 3444, 3631, 6441, 8131, 11481, 33688, 68131, 81344, 116881, 136441, 333641, 338646, 364844, 364881, 384881, 431441, 681441, 1146481, 1366881, 1861146, 3341881, 3363646, 3648488, 4314381, 4318381, 6431441, 6468641, 13643631, 18388688, 33341141, 43181441, 43433131, 64333844, 64411481, 68444641 (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..227

J. Wellons, Tables of Shared Digits

EXAMPLE

431838648646481^2 = 186484618464818866413313683361.

CROSSREFS

Sequence in context: A108270 A019161 A291718 * A090938 A087271 A067797

Adjacent sequences:  A137023 A137024 A137025 * A137027 A137028 A137029

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified January 19 22:12 EST 2022. Contains 350466 sequences. (Running on oeis4.)