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A053947
Squares composed of digits {3,6,7}.
2
36, 676, 37636, 767376, 337677376, 636367377337637773373677663667776, 3736363367333373666777367633763676676
OFFSET
1,1
FORMULA
a(n) = A053946(n)^2.
CROSSREFS
Cf. A053946.
Sequence in context: A271794 A182678 A239181 * A157092 A004419 A268900
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
Two more terms from Mishima's webpage added by Max Alekseyev, Jan 28 2012
STATUS
approved