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A061277
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Numbers which have more different digits than their squares.
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1
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109, 173, 235, 264, 1049, 1235, 1485, 1489, 1490, 1498, 1703, 1730, 1823, 1834, 2107, 2108, 2350, 2357, 2435, 2538, 2581, 2640, 2830, 2978, 2980, 2983, 3114, 3148, 3157, 3408, 4827, 5162, 5470, 5480, 5962
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The sequence is infinite since for every element k with '0' as last digit or no '0' at all every k*10^m is also in it.
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EXAMPLE
| 3114 is okay, since it has three different digits while 3114^2 = 9696996 has only two.
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CROSSREFS
| Sequence in context: A141948 A102908 A141998 * A142945 A142079 A142224
Adjacent sequences: A061274 A061275 A061276 * A061278 A061279 A061280
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KEYWORD
| nonn,base
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AUTHOR
| Ulrich Schimke (ulrschimke(AT)aol.com)
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