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Search: id:A053900
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| A053900 |
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Numbers n such that n^2 contains only digits {1,4,8}. |
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+0 2
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| 1, 2, 9, 12, 21, 22, 29, 38, 109, 122, 221, 1191, 20359, 12017441, 64352012, 69362229, 105741122, 1347014779, 10715008859, 664190348029, 940313186572, 4263966676478, 34479242283029, 1055656895701022, 2968363385585478
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Author?, Source(txt)
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 29 2009]
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CROSSREFS
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Cf. A053901.
Sequence in context: A048768 A070226 A129829 this_sequence A126977 A102237 A076505
Adjacent sequences: A053897 A053898 A053899 this_sequence A053901 A053902 A053903
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
Two more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006
Further terms from Mishima's webpage. Max Alekseyev (maxale(AT)gmail.com), May 29 2009
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