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Search: id:A053950
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A053950 Numbers n such that n^2 contains only digits {4,5,7}. +0
2
2, 88, 6888, 6912, 7588, 68962, 6674412, 2749137588, 7466242412 (list; graph; listen)
OFFSET

1,1

LINKS

Author?, Source(txt)

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A053951.

Sequence in context: A058463 A166848 A001904 this_sequence A012728 A012733 A058459

Adjacent sequences: A053947 A053948 A053949 this_sequence A053951 A053952 A053953

KEYWORD

nonn,base,more

AUTHOR

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

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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