id:A080470 - OEIS Search Results

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a(n) = smallest composite number that is obtained by placing digits anywhere in n; a(n) = n if n is composite.

+0
3

10, 12, 30, 4, 15, 6, 27, 8, 9, 10, 110, 12, 123, 14, 15, 16, 117, 18, 119, 20, 21, 22, 123, 24, 25, 26, 27, 28, 129, 30, 231, 32, 33, 34, 35, 36, 237, 38, 39, 40, 141, 42, 143, 44, 45, 46, 147, 48, 49, 50, 51, 52, 153, 54, 55, 56, 57, 58, 159, 60, 161, 62, 63, 64, 65, 66, 267 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A062584, A068164, A068165.` `Sequence in context: A073083 A129508 A015728 this_sequence A087217 A044972 A132313` `Adjacent sequences: A080467 A080468 A080469 this_sequence A080471 A080472 A080473`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoomail.com), Mar 07 2003`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 11 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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