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A058462
Squares composed of digits {2,6,7}.
2
676, 276676, 2677627662267622276, 262277276277222276677776
OFFSET
1,1
CROSSREFS
Cf. A058461.
Sequence in context: A028818 A203541 A014759 * A058450 A159893 A142755
KEYWORD
nonn,base,hard
AUTHOR
Patrick De Geest, Nov 15 2000
STATUS
approved