A133383 - OEIS

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A133383

10 followed by 2n 9's.

10, 1099, 109999, 10999999, 1099999999, 109999999999, 10999999999999, 1099999999999999, 109999999999999999, 10999999999999999999, 1099999999999999999999, 109999999999999999999999 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..200`
	FORMULA	`a(n)=1110^(2n)-1, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Dec 19 2007`
	PROG	`(MAGMA) [1110^(2n)-1: n in [0..15]]; // Vincenzo Librandi, Aug 10 2011`
	CROSSREFS	`Sequence in context: A054609 A119045 A069886 * A071672 A122230 A138147` `Adjacent sequences: A133380 A133381 A133382 * A133384 A133385 A133386`
	KEYWORD	`nonn,base`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Oct 29 2007`

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Last modified February 14 09:18 EST 2012. Contains 205614 sequences.