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A039092
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Numbers n such that representation in base 9 has same number of 2's and 4's.
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0
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0, 1, 3, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 22, 27, 28, 30, 32, 33, 34, 35, 38, 45, 46, 48, 50, 51, 52, 53, 54, 55, 57, 59, 60, 61, 62, 63, 64, 66, 68, 69, 70, 71, 72, 73, 75, 77, 78, 79, 80, 81, 82, 84, 86, 87, 88, 89, 90, 91, 93, 95, 96, 97, 98, 103, 108, 109, 111
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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MATHEMATICA
| Select[Range[125], DigitCount[#, 9, 2]==DigitCount[#, 9, 4]&] [From Harvey P. Dale, Jan. 23, 2011]
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CROSSREFS
| Sequence in context: A048293 A039129 A194370 * A047585 A039063 A114978
Adjacent sequences: A039089 A039090 A039091 * A039093 A039094 A039095
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KEYWORD
| nonn,base,easy
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AUTHOR
| Olivier Gerard (olivier.gerard(AT)gmail.com)
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