id:A141284 - OEIS Search Results

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Nonprimes of the form ((p(max)-1)*..*p*(p(min)-2)), where a(0)=1 and (p(max))*..*p*(p(min)=k(n)=n-th composite.

+0
4

4, 8, 8, 10, 16, 16, 24, 20, 16, 24, 32, 30, 40, 32, 28, 48, 30, 48, 48, 32, 50, 64, 42, 48, 72, 60, 64, 72, 80, 60, 88, 64, 54, 80, 80, 96, 72, 70, 96, 90, 112, 96, 120, 90, 64, 84, 120, 128, 110, 120, 96, 144, 100, 144, 90, 144, 128, 90, 160, 144, 112, 168, 140, 160 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`If k(1)=4=(p(max)=2)(p(min)=2), then (2-1)(2+2)=14=4 .` `If k(2)=8=(p(max)=3)(p(min)=2), then` `(3-1)(2+2)=24=8 .` `If k(3)=8=(p(max)=2)(p=2)(p(min)=2), then` `(2-1)2(2+1)=124=8, etc.`
	CROSSREFS	`Sequence in context: A054006 A087021 A029679 this_sequence A145154 A072541 A141719` `Adjacent sequences: A141281 A141282 A141283 this_sequence A141285 A141286 A141287`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru) Aug 08 2008`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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