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A137068 Numbers n such that n and the square of n use only the digits 2, 3, 4, 5 and 7. 1
2, 5, 235, 2335, 7235, 23335, 72335, 233335, 477235, 2333335, 2354235, 23333335, 47354235, 233333335, 235744235, 273372335, 274477235, 473732335, 723432335, 2333333335, 2333524235, 2733723335, 4747354235, 7372744235, 23333333335, 23333524235, 27472254235, 52224777235, 57223732335, 72334323335, 233333333335, 273372342335 (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

52323727254235^2 = 2737772433775574532325435225

CROSSREFS

Sequence in context: A072118 A249180 A135724 * A137066 A175977 A121270

Adjacent sequences:  A137065 A137066 A137067 * A137069 A137070 A137071

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified April 6 18:51 EDT 2020. Contains 333286 sequences. (Running on oeis4.)