A054641 - OEIS

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A054641

GCD of divisor-sum of primorials and primorials itself = GCD[A002110(n), A000203(A002110(n))].

1, 6, 6, 6, 6, 42, 42, 210, 210, 210, 210, 3990, 3990, 43890, 43890, 43890, 43890, 1360590, 23130030, 23130030, 855811110, 855811110, 855811110, 855811110, 855811110, 855811110, 11125544430, 11125544430, 11125544430, 11125544430 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`1. Values are repeated for several arguments: observed from 1 to 8 times below n=100. Sites of jump seems not so regular. 2. From a sufficiently high value of n, A002110(n) divides the terms. E.g. from n=27, A002110(8) divides the values of this sequences.`
	CROSSREFS	`A002110, A000203, A028815, A054640, A054642.` `Sequence in context: A173067 A092937 A116571 * A024731 A195504 A098537` `Adjacent sequences: A054638 A054639 A054640 * A054642 A054643 A054644`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), May 15 2000`

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Last modified February 13 13:22 EST 2012. Contains 205483 sequences.