id:A013725 - OEIS Search Results

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20^(2n+1).

+0
1

20, 8000, 3200000, 1280000000, 512000000000, 204800000000000, 81920000000000000, 32768000000000000000, 13107200000000000000000, 5242880000000000000000000, 2097152000000000000000000000 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`Tanya Khovanova, Recursive Sequences`
	FORMULA	`a(n)=400a(n-1), n>0 ; a(0)=20 . G.f.: 20/(1-400x). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 28 2008]`
	CROSSREFS	`Sequence in context: A088852 A123379 A135292 this_sequence A109122 A135420 A045811` `Adjacent sequences: A013722 A013723 A013724 this_sequence A013726 A013727 A013728`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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