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A030174
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Squares composed of digits {1,2,3}.
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2
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1, 121, 12321, 1322122321, 132233322321, 213223221121, 13223121322321, 1212111311221321, 131332121232312121, 31121322221111133211321, 3322133322121313132333322321, 12232213113321121113332133323121
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source(txt)
Hisanori Mishima, Sporadic tridigital solutions
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CROSSREFS
| Cf. A030175.
Sequence in context: A173426 A080162 A068117 * A180153 A178510 A066625
Adjacent sequences: A030171 A030172 A030173 * A030175 A030176 A030177
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com)
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EXTENSIONS
| More terms from the author, Mar 15, 2000.
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
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