id:A014940 - OEIS Search Results

Search: id:A014940

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a(1)=1, a(n)=n*22^(n-1)+a(n-1).

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1, 45, 1497, 44089, 1215369, 32137161, 825796489, 20780659593, 514663521417, 12587355699337, 304746506405001, 7316566123340937, 174431600326980745, 4133772410690139273, 97461091512107447433, 2287542179758700278921 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=(1/441)[1+22^n(21*n-1)], with n>=1 [From Paolo P. Lava (ppl(AT)spl.at), Jan 13 2009]`
	CROSSREFS	`Sequence in context: A035521 A107399 A053112 this_sequence A049397 A143170 A121009` `Adjacent sequences: A014937 A014938 A014939 this_sequence A014941 A014942 A014943`
	KEYWORD	`nonn,easy`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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