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A053890
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Numbers n such that n^2 contains only digits {1,3,4}.
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2
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1, 2, 12, 21, 38, 1188, 20771, 37962, 3378512, 11594538, 65833989271, 3798830532038, 575684923751188, 21079405433537116521
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Author?, Source(txt)
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
H. Mishima, Sporadic tridigital solutions
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CROSSREFS
| Cf. A053891.
Sequence in context: A073041 A053898 A058413 * A053896 A155890 A199986
Adjacent sequences: A053887 A053888 A053889 * A053891 A053892 A053893
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KEYWORD
| nonn,base,more
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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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 03 2006
Two more terms from Mishima's page added by Max Alekseyev (maxale(AT)gmail.com), Jan 28 2012
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