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Search: id:A061819
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| A061819 |
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Multiples of 3 containing only digits 0,1,2,3. |
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+0
7
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| 0, 3, 12, 21, 30, 33, 102, 111, 120, 123, 132, 201, 210, 213, 222, 231, 300, 303, 312, 321, 330, 333, 1002, 1011, 1020, 1023, 1032, 1101, 1110, 1113, 1122, 1131, 1200, 1203, 1212, 1221, 1230, 1233, 1302, 1311, 1320, 1323, 1332, 2001, 2010, 2013, 2022, 2031
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OFFSET
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1,2
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FORMULA
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a(n) = A007090(3n), i.e. can also be read as multiples of 3 (A008585) written in base 4.
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EXAMPLE
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132 is a term containing digits less than 4.
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CROSSREFS
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Cf. A061818.
Sequence in context: A043465 A074276 A055041 this_sequence A017197 A051369 A069538
Adjacent sequences: A061816 A061817 A061818 this_sequence A061820 A061821 A061822
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KEYWORD
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nonn,base,easy
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 28 2001
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EXTENSIONS
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Corrected and extended by Larry Reeves (larryr(AT)acm.org) and Henry Bottomley (se16(AT)btinternet.com), May 30 2001
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