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A137127 Numbers n such that n and the square of n use only the digits 3, 4, 6, 7 and 8. 1
6, 8, 88, 688, 874, 876, 8874, 8876, 68474, 86478, 88678, 683874, 683876, 6688374, 6883876, 87663474, 666834678, 668383478, 683847844, 684388374, 887348678, 6887436878, 8646643474, 8767376374, 66684883478, 66846374378, 68466373844, 87377836878, 87446363374, 668478484878, 683643676438, 684388368376, 684663763374 (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..72

J. Wellons, Tables of Shared Digits

EXAMPLE

684648643383478^2 = 468743764886836833787763376484

CROSSREFS

Sequence in context: A250256 A242490 A216796 * A013241 A013237 A013234

Adjacent sequences:  A137124 A137125 A137126 * A137128 A137129 A137130

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified October 16 09:29 EDT 2019. Contains 328056 sequences. (Running on oeis4.)