id:A157742 - OEIS Search Results

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A006094(n+3) mod 9.

+0
5

8, 5, 8, 5, 8, 5, 1, 8, 4, 5, 8, 5, 7, 4, 8, 1, 5, 8, 7, 5, 7, 2, 5, 8, 5, 8, 5, 5, 5, 1, 8, 2, 8, 1, 4, 5, 1, 7, 8, 2, 8, 5, 8, 4, 1, 5, 8, 5, 4, 8, 2, 4, 1, 7, 8, 7, 5, 8, 2, 5, 5, 8, 5, 5, 1, 2, 8, 5, 7, 2, 1, 4, 5, 1, 2, 5, 2, 2, 8, 2, 8, 7, 5, 7, 2, 5, 8, 5, 7, 2, 5, 2, 5, 4, 4, 8, 1, 7, 2, 4, 1, 8, 4, 2, 7 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Values of 0, 3 or 6 are obviously absent, because that would indicate divisibility by 3 which does not happen for prime products involving primes >3.`
	FORMULA	`a(n) = A038194(n+3)*A038194(n+4) mod 9.`
	CROSSREFS	`Sequence in context: A119812 A153799 A086235 this_sequence A021542 A144454 A074071` `Adjacent sequences: A157739 A157740 A157741 this_sequence A157743 A157744 A157745`
	KEYWORD	`nonn,easy`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Mar 05 2009`
	EXTENSIONS	`Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 01 2009`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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