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A137071 Numbers n such that n and the square of n use only the digits 2, 3, 4, 6 and 7. 1
2, 6, 26, 474, 4762, 272442, 273376, 2732632, 2764674, 27264326, 27337662, 47374332, 2724422442, 2724642442, 2763643326, 4727236262, 4737376662, 4737746644, 4772247662, 4772446262, 27247472662, 27326246426, 47246633344, 47362667432, 47377466632, 47673344474, 272463477632, 272623776426, 273363264674, 276337233762 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..63

J. Wellons, Tables of Shared Digits

EXAMPLE

473737632374332^2 = 224427344327637734663772446224

CROSSREFS

Sequence in context: A306147 A331937 A162438 * A255016 A331751 A034565

Adjacent sequences:  A137068 A137069 A137070 * A137072 A137073 A137074

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified April 9 17:48 EDT 2020. Contains 333361 sequences. (Running on oeis4.)