A144490 - OEIS

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A144490

Consider pairs m,n such that 1/(UnitarySigma(m))^(1/2)=1/(UnitarySigma(n))^(1/2)=k^(1/2)*(1/m^(1/2)-1/n^(1/2)), n<m. Sequence gives values of n.

4500, 61200, 4393701 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`Factorizations: 5^32^23^2 5^2172^43^2 13173^247^2`
	CROSSREFS	`A144491, A144492` `Sequence in context: A031565 A031745 A184465 * A023684 A105845 A107543` `Adjacent sequences: A144487 A144488 A144489 * A144491 A144492 A144493`
	KEYWORD	`nonn,bref`
	AUTHOR	`Yasutsohi Kohmoto zbi74583.boat(AT)orange.zero.jp, Dec 11 2008`

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Last modified February 14 11:32 EST 2012. Contains 205623 sequences.