id:A073670 - OEIS Search Results

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a(1) = 1, a(n) = the smallest composite multiple of n not included earlier such that every partial sum is prime.

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1, 4, 6, 8, 10, 12, 42, 24, 72, 20, 132, 36, 52, 84, 60, 80, 34, 144, 38, 160, 168, 44, 46, 96, 50, 130, 54, 56, 58, 90, 62, 256, 264, 306, 210, 180, 74, 228, 78, 240, 492, 126, 774, 88, 450, 230, 282, 192, 294, 100, 209, 109, 321, 113, 883, 127, 355, 131, 485 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A073669.` `Sequence in context: A053012 A096160 A073669 this_sequence A090169 A087684 A084808` `Adjacent sequences: A073667 A073668 A073669 this_sequence A073671 A073672 A073673`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 11 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 01 2003`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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