id:A130418 - OEIS Search Results

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Triangle (of n terms per row) where t(n,m) = the m-th positive integer which is coprime to n!.

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1, 1, 3, 1, 5, 7, 1, 5, 7, 11, 1, 7, 11, 13, 17, 1, 7, 11, 13, 17, 19, 1, 11, 13, 17, 19, 23, 29, 1, 11, 13, 17, 19, 23, 29, 31, 1, 11, 13, 17, 19, 23, 29, 31, 37, 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 1, 13, 17, 19, 23, 29, 31, 37, 41, 43 (list; table; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`Triangle starts` `.1` `.1..3` `.1..5..7` `.1..5..7.11` `.1..7.11.13.17` `.1..7.11.13.17.19` `.1.11.13.17.19.23.29` `.1.11.13.17.19.23.29.31` `.1.11.13.17.19.23.29.31.37` `.1.11.13.17.19.23.29.31.37.41` `.1.13.17.19.23.29.31.37.41.43.47` `.1.13.17.19.23.29.31.37.41.43.47.53` `.1.17.19.23.29.31.37.41.43.47.53.59.61` `.1.17.19.23.29.31.37.41.43.47.53.59.61.67` `.1.17.19.23.29.31.37.41.43.47.53.59.61.67.71`
	CROSSREFS	`Cf. A119992, A130419.` `Sequence in context: A108283 A140950 A016600 this_sequence A038871 A143524 A134249` `Adjacent sequences: A130415 A130416 A130417 this_sequence A130419 A130420 A130421`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), May 25 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 15 2007`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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