id:A130092 - OEIS Search Results

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Numbers with at least two factors having in their canonical prime factorization equal exponents.

+0
3

6, 10, 14, 15, 21, 22, 26, 30, 33, 34, 35, 36, 38, 39, 42, 46, 51, 55, 57, 58, 60, 62, 65, 66, 69, 70, 74, 77, 78, 82, 84, 85, 86, 87, 90, 91, 93, 94, 95, 100, 102, 105, 106, 110, 111, 114, 115, 118, 119, 120, 122, 123, 126, 129, 130, 132, 133, 134, 138, 140, 141, 142 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Complement of A130091; A120944 and A085986 are subsequences;` `a(n)>A130091(n) for n<=150, a(n)<A130091(n) for n>150.`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..10000` `Eric Weisstein's World of Mathematics, Prime Factorization`
	CROSSREFS	`Sequence in context: A067582 A119847 A119899 this_sequence A080365 A000469 A120944` `Adjacent sequences: A130089 A130090 A130091 this_sequence A130093 A130094 A130095`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 06 2007`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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