id:A135680 - OEIS Search Results

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a(n)=n if n=1 or if n=prime. Otherwise, n=4 if n is even and n=5 if n is odd.

+0
4

1, 2, 3, 4, 5, 4, 7, 4, 5, 4, 11, 4, 13, 4, 5, 4, 17, 4, 19, 4, 5, 4, 23, 4, 5, 4, 5, 4, 29, 4, 31, 4, 5, 4, 5, 4, 37, 4, 5, 4, 41, 4, 43, 4, 5, 4, 47, 4, 5, 4, 5, 4, 53, 4, 5, 4, 5, 4, 59, 4, 61, 4, 5, 4, 5, 4, 67, 4, 5, 4, 71, 4, 73 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A000027; A000040; A135679.` `Sequence in context: A137912 A118577 A135681 this_sequence A135682 A083245 A111610` `Adjacent sequences: A135677 A135678 A135679 this_sequence A135681 A135682 A135683`
	KEYWORD	`nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Dec 01 2007`

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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