id:A033302 - OEIS Search Results

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Largest prime < largest prime < n.

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2, 2, 3, 3, 5, 5, 5, 5, 7, 7, 11, 11, 11, 11, 13, 13, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 23, 23, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 37, 37, 41, 41, 41, 41, 43, 43, 43, 43, 43, 43, 47, 47, 47, 47, 47, 47, 53, 53, 59, 59, 59, 59, 59, 59, 61, 61, 61, 61, 67, 67, 71, 71 (list; graph; listen)

	OFFSET	`0,1`
	MAPLE	`[ seq(prevprime(prevprime(i)), i=4..60) ];`
	CROSSREFS	`a(n) = A007917(A007917(n-1)-1).` `Sequence in context: A097366 A139807 A167755 this_sequence A072729 A057872 A059974` `Adjacent sequences: A033299 A033300 A033301 this_sequence A033303 A033304 A033305`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Aug 13 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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