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A137116 Numbers n such that n and the square of n use only the digits 2, 5, 7, 8 and 9. 1
5, 27, 77, 85, 527, 727, 7227, 9777, 28277, 29585, 88277, 99277, 278527, 298827, 2788527, 2789227, 5289227, 8875727, 9889277, 22925527, 27797977, 29879585, 52898827, 85298827, 88875527, 99789227, 99988777, 278889277, 287279585, 292898827, 297875527, 299929585, 527252527, 528982977, 727528527, 727825527, 727925527, 988579585, 992587527 (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..180

J. Wellons, Tables of Shared Digits

EXAMPLE

727872928279585^2 = 529798999722297889227927772225

CROSSREFS

Sequence in context: A181890 A048712 A121876 * A137117 A064675 A135713

Adjacent sequences:  A137113 A137114 A137115 * A137117 A137118 A137119

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified November 17 16:08 EST 2019. Contains 329241 sequences. (Running on oeis4.)