id:A130891 - OEIS Search Results

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a(n)=n if n is not an odd prime number. Otherwise, a(n)=k*floor(n/10), where k is the smallest integer such that n<10^k.

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0, 1, 2, 0, 4, 0, 6, 0, 8, 9, 10, 2, 12, 2, 14, 15, 16, 2, 18, 2, 20, 21, 22, 4, 24, 25, 26, 27, 28, 4, 30, 6, 32, 33, 34, 35, 36, 6, 38, 39, 40, 8, 42, 8, 44, 45, 46, 8, 48, 49, 50, 51, 52, 10, 54, 55, 56, 57, 58, 10, 60, 12, 62, 63, 64, 65, 66, 12, 68 (list; graph; listen)

	OFFSET	`2,3`
	CROSSREFS	`Cf. A131516; A130758; A000027; A001477; A006005.` `Sequence in context: A119690 A071648 A001613 this_sequence A091371 A046666 A131575` `Adjacent sequences: A130888 A130889 A130890 this_sequence A130892 A130893 A130894`
	KEYWORD	`nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Aug 21 2007`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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