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A053881
Squares composed of digits {1,2,4}.
+0
3
1, 4, 121, 144, 441, 1444, 114244, 2214144, 11142244, 121242121, 421111441, 1111422244, 44424414441, 111114222244, 11111142222244, 214222214414224, 242441124211441, 411244411422244, 1111111422222244, 2111211444222241
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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