id:A023578 - OEIS Search Results

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Least odd prime divisor of p(n)+3, or 1 if p(n)+3 is a power of 2.

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5, 3, 1, 5, 7, 1, 5, 11, 13, 1, 17, 5, 11, 23, 5, 7, 31, 1, 5, 37, 19, 41, 43, 23, 5, 13, 53, 5, 7, 29, 5, 67, 5, 71, 19, 7, 5, 83, 5, 11, 7, 23, 97, 7, 5, 101, 107, 113, 5, 29, 59, 11, 61, 127, 5, 7, 17, 137, 5, 71, 11, 37, 5, 157, 79, 5, 167, 5, 5, 11, 89, 181, 5, 47, 191 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A011332 A092235 A130794 this_sequence A111487 A011505 A019926` `Adjacent sequences: A023575 A023576 A023577 this_sequence A023579 A023580 A023581`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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