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A058462 Squares composed of digits {2,6,7}. 2
676, 276676, 2677627662267622276, 262277276277222276677776 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

CROSSREFS

Cf. A058461.

Sequence in context: A028818 A203541 A014759 * A058450 A159893 A142755

Adjacent sequences:  A058459 A058460 A058461 * A058463 A058464 A058465

KEYWORD

nonn,base,hard

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.