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A058420 Squares composed of digits {0,1,7}, not ending with zero. 2
1, 770007001, 71017701771000177071770101111001 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

CROSSREFS

Cf. A058419.

Sequence in context: A104932 A118876 A157788 * A166121 A046186 A166227

Adjacent sequences:  A058417 A058418 A058419 * A058421 A058422 A058423

KEYWORD

nonn,base,hard,more,bref

AUTHOR

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

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