A064493 - OEIS

This site is supported by donations to The OEIS Foundation.

A064493

List of distinct greatest common divisors of { k! and k! - (k-1)! + (k-2)! - ... + (-1)^k*0!, k = 0 .. n}.

1, 2, 4, 20, 260, 9620, 4454060 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Records in the sequence gcd(k,A058006(k)). The record indices are products of primes from A064384. There are no further terms unless there are terms in A064384 larger than 463. [From Max Alekseyev (maxale(AT)gmail.com), Jul 06 2010]`
	CROSSREFS	`Cf. A000142, A058006, A064383, A064384, A005165.` `Sequence in context: A061348 A127103 A059831 * A145614 A145626 A059588` `Adjacent sequences: A064490 A064491 A064492 * A064494 A064495 A064496`
	KEYWORD	`more,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 04 2001`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 20:38 EST 2012. Contains 205663 sequences.