id:A118914 - OEIS Search Results

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Prime signatures (sorted lists of exponent vectors in the prime factorizations) of the positive integers.

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1, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 4, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 4, 2, 1, 2, 1, 1, 1, 2, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 6, 1, 1 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`Eric Weisstein's World of Mathematics, Prime Signature`
	EXAMPLE	`{1}, {1}, {1}, {2}, {1}, {1, 1}, {1}, {3}, {2}, {1, 1}, ...`
	CROSSREFS	`Sequence in context: A135063 A129265 A030358 this_sequence A124010 A133364 A063420` `Adjacent sequences: A118911 A118912 A118913 this_sequence A118915 A118916 A118917`
	KEYWORD	`nonn,tabf`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), May 05, 2006`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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