id:A089943 - OEIS Search Results

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Number of digits in candidates Sierpinski numbers of the first kind.

+0
1

1, 3, 20, 617, 315653, 41373247568, 355393490465494856466, 13111705528158638560001549984013213785610 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`Eric Weisstein's World of Mathematics, Sierpinski Number of the First Kind`
	FORMULA	`a[k_] := Ceiling[2^(k+2^k) Log[2]/Log[10]].`
	CROSSREFS	`Sequence in context: A130531 A003150 A138897 this_sequence A108699 A002857 A024011` `Adjacent sequences: A089940 A089941 A089942 this_sequence A089944 A089945 A089946`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Nov 16, 2003`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.