A137466 - OEIS

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A137466

1 concatenated with n 21's.

1, 121, 12121, 1212121, 121212121, 12121212121, 1212121212121, 121212121212121, 12121212121212121 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..8.`
	FORMULA	`a(n) = a(0)100^n +(7/33)(100^n) -1`
	EXAMPLE	`a(7) = 1 21 21 21 21 21 21 21`
	CROSSREFS	`Sequence in context: A054319 A006061 A079215 * A062689 A057139 A002477` `Adjacent sequences: A137463 A137464 A137465 * A137467 A137468 A137469`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Ctibor O. Zizka, Apr 19 2008`
	STATUS	`approved`

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Last modified June 19 13:23 EDT 2013. Contains 226408 sequences.