A054615 - OEIS

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A054615

Sum_{d|n} phi(d)*8^(n/d).

0, 8, 72, 528, 4176, 32800, 262800, 2097200, 16781472, 134218800, 1073774880, 8589934672, 68719748256, 549755813984, 4398048608688, 35184372156480, 281474993496384, 2251799813685376, 18014398644225456, 144115188075856016 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A189954 A180288 A082141 * A111919 A052379 A158798` `Adjacent sequences: A054612 A054613 A054614 * A054616 A054617 A054618`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 16 2000`

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Last modified February 15 23:21 EST 2012. Contains 205860 sequences.