id:A037551 - OEIS Search Results

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Base 10 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,2.

+0
1

1, 12, 122, 1221, 12212, 122122, 1221221, 12212212, 122122122, 1221221221, 12212212212, 122122122122, 1221221221221, 12212212212212, 122122122122122, 1221221221221221 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=10a(n-1)+(1/9){5(n mod 3)+2[(n+1) mod 3]+8*[(n+2) mod 3]}, with a(0)=0 [From Paolo P. Lava (ppl(AT)spl.at), Jul 30 2009]`
	CROSSREFS	`Sequence in context: A037487 A106750 A038490 this_sequence A134584 A090843 A132927` `Adjacent sequences: A037548 A037549 A037550 this_sequence A037552 A037553 A037554`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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