id:A073030 - OEIS Search Results

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Sum_{k=1..n, gcd(n,k) = 1} 10^(k-1).

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1, 11, 101, 1111, 10001, 111111, 1010101, 11011011, 101000101, 1111111111, 10001010001, 111111111111, 1010100010101, 11010011001011, 101010101010101, 1111111111111111, 10001010001010001, 111111111111111111 (list; graph; listen)

	OFFSET	`2,2`
	COMMENT	`A054431 is concatenation of a(n).`
	CROSSREFS	`Cf. A054431, A054432.` `Sequence in context: A068166 A113978 A006943 this_sequence A097649 A072075 A088292` `Adjacent sequences: A073027 A073028 A073029 this_sequence A073031 A073032 A073033`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 15 2002`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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