id:A057791 - OEIS Search Results

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Sum[k^(n-k)], where sum is over positive integers, k, where k <= n and GCD(k,n) = 1.

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1, 1, 3, 4, 22, 6, 209, 376, 1835, 2540, 49863, 94944, 1151914, 2190666, 12079274, 95722288, 1150653920, 3217888350, 47454745803, 130819911320, 846278385786, 8064305838350, 126356632390297, 288019285668096, 6861189820377586 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	EXAMPLE	`a(8) = 1^7 + 3^5 + 5^3 + 7^1 = 376, since 1, 3, 5 and 7 are the positive integers relatively prime to 8 and <= 8.`
	CROSSREFS	`Sequence in context: A012123 A012255 A012247 this_sequence A122660 A163744 A042595` `Adjacent sequences: A057788 A057789 A057790 this_sequence A057792 A057793 A057794`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Nov 04 2000`

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

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