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A137028 Numbers n such that n and the square of n use only the digits 1, 3, 4, 7 and 8. 2
1, 38, 88, 1188, 4141, 8878, 11478, 18471, 33878, 183878, 844878, 887771, 1347141, 3381378, 33883878, 43344878, 88811471, 177317438, 178374141, 333374141, 338841141, 344743878, 844877141, 887377438, 3334348188, 3441183188, 8817473471, 11483831378, 13347183878, 13371137378, 13484747378, 17713783188, 17744811471 (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..112

J. Wellons, Tables of Shared Digits

EXAMPLE

344787487347378^2 = 118878411431318344438843474884

CROSSREFS

Sequence in context: A044176 A044557 A014716 * A235087 A235080 A218331

Adjacent sequences:  A137025 A137026 A137027 * A137029 A137030 A137031

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified May 17 12:55 EDT 2021. Contains 343971 sequences. (Running on oeis4.)