id:A047814 - OEIS Search Results

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Largest prime substring of n, or 0 if no such substring exists.

+0
2

0, 0, 2, 3, 0, 5, 0, 7, 0, 0, 0, 11, 2, 13, 0, 5, 0, 17, 0, 19, 2, 2, 2, 23, 2, 5, 2, 7, 2, 29, 3, 31, 3, 3, 3, 5, 3, 37, 3, 3, 0, 1, 2, 43, 0, 5, 0, 47, 0, 0, 5, 5, 5, 53, 5, 5, 5, 7, 5, 59, 0, 61, 2, 3, 0, 5, 0, 67, 0, 0, 7, 71, 7, 73, 7, 7, 7, 7, 7, 79, 0, 0, 2, 83, 0, 5, 0, 7, 0, 89 (list; graph; listen)

	OFFSET	`0,3`
	EXAMPLE	`a(10)=0, a(1227)=227.`
	CROSSREFS	`Sequence in context: A071375 A061397 A093438 this_sequence A101991 A071376 A064502` `Adjacent sequences: A047811 A047812 A047813 this_sequence A047815 A047816 A047817`
	KEYWORD	`nonn,easy,base,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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