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A053880
Numbers n such that n^2 contains only digits {1,2,4}.
+0
2
1, 2, 11, 12, 21, 38, 338, 1488, 3338, 11011, 20521, 33338, 210771, 333338, 3333338, 14636332, 15570521, 20279162, 33333338, 45947921, 49136668, 66641662, 333333338, 648940838, 3333333338, 6412661079, 14632642079, 33333333338
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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.
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