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Search: id:A053956
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A053956 Numbers n such that n^2 contains only digits {4,6,7}. +0
2
2, 8, 26, 88, 2108238, 8165033238, 876154475408, 2538991467974 (list; graph; listen)
OFFSET

1,1

LINKS

Author?, Source(txt)

CROSSREFS

Cf. A053957.

Adjacent sequences: A053953 A053954 A053955 this_sequence A053957 A053958 A053959

Sequence in context: A002930 A060410 A128634 this_sequence A052543 A026638 A067855

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

One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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