A110802 - OEIS

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A110802

a(1) =1, a(n) = k* concatenation of a(1), a(2), ...a(n-1), where k is the number of digits in the concatenation.

1, 1, 22, 4488, 89795904, 17959182236734464, 3704081336326483792653013812237312, 75204075616325580032652098612091128173449533874414107751925419899904 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	EXAMPLE	`a(2) = 11 = 1, a(3) = 112 = 22, a(4) = 1122*4 = 4488.`
	CROSSREFS	`Sequence in context: A114942 A155885 A109776 * A200460 A202054 A013727` `Adjacent sequences: A110799 A110800 A110801 * A110803 A110804 A110805`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 14 2005`
	EXTENSIONS	`More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 03 2006`

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Last modified February 14 16:54 EST 2012. Contains 205635 sequences.