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A058450 Squares composed of digits {0,6,7}, not ending with zero. 2
676, 67667076, 670066667776, 66007077776676, 676670006660660066767076066770670707776 (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. A058449.

Sequence in context: A203541 A014759 A058462 * A159893 A142755 A158386

Adjacent sequences:  A058447 A058448 A058449 * A058451 A058452 A058453

KEYWORD

nonn,base,hard,more

AUTHOR

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

EXTENSIONS

One more term from Mishima's webpage. Max Alekseyev (maxale(AT)gmail.com), Jul 27 2009

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Last modified February 13 10:03 EST 2012. Contains 205451 sequences.