id:A137244 - OEIS Search Results

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Least common multiple of {k!+1} for k=0...n.

+0
1

2, 2, 6, 42, 1050, 127050, 13086150, 65967282150, 2659866783570150, 13594579130827036650, 4484729304047661947505150, 179016047168539016473835519025150 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`I came upon this sequence in an attempt to solve an open Erdos problem: Show that Sum_{1/(k!+1), k=0...infinity} is rational/irrational/transcendental.`
	FORMULA	`LCM {k!+1 : k=0...n}`
	CROSSREFS	`Cf. A038507, A000142.` `Sequence in context: A032185 A002027 A032117 this_sequence A156529 A093909 A114362` `Adjacent sequences: A137241 A137242 A137243 this_sequence A137245 A137246 A137247`
	KEYWORD	`easy,nonn`
	AUTHOR	`Karl Ethan Levy (klevy1(AT)gc.cuny.edu), Mar 09 2008`

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Last modified March 20 07:47 EDT 2010. Contains 173643 sequences.

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