id:A087913 - OEIS Search Results

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Greatest number less than n such that the number of prime factors is one less than that of n; a(1)=0.

+0
1

0, 1, 1, 3, 1, 5, 1, 6, 7, 7, 1, 10, 1, 13, 13, 12, 1, 15, 1, 15, 19, 19, 1, 20, 23, 23, 26, 26, 1, 26, 1, 24, 31, 31, 31, 30, 1, 37, 37, 30, 1, 39, 1, 39, 39, 43, 1, 40, 47, 49, 47, 51, 1, 52, 53, 52, 53, 53, 1, 52, 1, 61, 62, 48, 61, 65, 1, 65, 67, 69, 1, 60, 1, 73, 74, 74, 73 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`A001222(a(n)) = A001222(n) - 1 for n>1.`
	CROSSREFS	`Cf. A079890.` `Sequence in context: A002972 A029652 A129510 this_sequence A090585 A147661 A155457` `Adjacent sequences: A087910 A087911 A087912 this_sequence A087914 A087915 A087916`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 26 2003`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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