id:A090862 - OEIS Search Results

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Smallest b > 10 such that the decimal representation of the n-th prime is not a prime in base b representation.

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11, 11, 11, 11, 11, 12, 11, 11, 11, 12, 11, 11, 11, 14, 13, 11, 11, 11, 11, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 11, 11, 12, 11, 11, 11, 11, 11, 11, 12, 12, 11, 11, 12, 11, 11, 11, 11, 11, 11, 12, 11, 11, 11, 12, 11, 11 (list; graph; listen)

	OFFSET	`5,1`
	COMMENT	`a(A091922(n))=n and a(m)<>n for m<A091922(n).`
	EXAMPLE	`n=10: A000040(10)=29 in base 11 is 211^1+911^0=31 isprime,` `29 in base 12 is 212^1+912^0=33=3*11, therefore a(10)=12.`
	CROSSREFS	`Cf. A091923, A091924.` `Sequence in context: A083971 A052192 A110733 this_sequence A100756 A079596 A134036` `Adjacent sequences: A090859 A090860 A090861 this_sequence A090863 A090864 A090865`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 12 2004`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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