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Search: id:A001363
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| A001363 |
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Primes in ternary.
(Formerly M1961 N0776)
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+0
2
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| 2, 10, 12, 21, 102, 111, 122, 201, 212, 1002, 1011, 1101, 1112, 1121, 1202, 1222, 2012, 2021, 2111, 2122, 2201, 2221, 10002, 10022, 10121, 10202, 10211, 10222, 11001, 11012, 11201, 11212, 12002, 12011, 12112, 12121, 12211, 20001, 20012
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes written in base 3.
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
Archimedeans Problems Drive, Eureka, 23 (1960), 23.
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FORMULA
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a(n) = A007089(A000040(n)) - Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 09 2006
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CROSSREFS
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Cf. A004676 = Primes written in base 2, A004679 = Primes written in base 5, A004680 = Primes written in base 6, A004681 = Primes written in base 7, A004682 = Primes written in base 8, A004683 = Primes written in base 9, A004684 = Primes written in base 11, A072805 = Primes of form 4k+3 written in base 3.
Sequence in context: A061818 A166938 A093325 this_sequence A022367 A004686 A080139
Adjacent sequences: A001360 A001361 A001362 this_sequence A001364 A001365 A001366
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KEYWORD
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base,nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), May 01 2000
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