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A058464 Squares composed of digits {3,4,7}. 1
4, 7744, 473344, 73344434433347373773443373373444, 447337374477734734334374744437444, 437374344733334774447744773373477443344 (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. A058463.

Sequence in context: A137045 A077258 A058440 * A053951 A058460 A115050

Adjacent sequences:  A058461 A058462 A058463 * A058465 A058466 A058467

KEYWORD

nonn,base

AUTHOR

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

EXTENSIONS

More terms from Mishima's page Max Alekseyev (maxale(AT)gmail.com), May 30 2009

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Last modified February 17 17:51 EST 2012. Contains 206061 sequences.