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Search: id:A053905
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A053905 Squares composed of digits {1,5,8}. +0
3
1, 81, 11881, 88118818815155881, 18851515118581858155155881, 11555185818155188818511188881585888881, 5818888111118115811551585855811558551185881 (list; graph; listen)
OFFSET

1,2

LINKS

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

H. Mishima Squares consisted of 3 different digits [From Max Alekseyev (maxale(AT)gmail.com), May 21 2009]

CROSSREFS

Cf. A053904.

Adjacent sequences: A053902 A053903 A053904 this_sequence A053906 A053907 A053908

Sequence in context: A058422 A053913 A053895 this_sequence A143005 A017104 A143653

KEYWORD

nonn,base

AUTHOR

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

EXTENSIONS

One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006

Two more terms from Mishima's webpage. Max Alekseyev (maxale(AT)gmail.com), May 21 2009

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Last modified November 7 16:45 EST 2009. Contains 166093 sequences.


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