id:A054603 - OEIS Search Results

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Sum_{d|4} phi(d)*n^(4/d).

+0
1

0, 4, 24, 96, 280, 660, 1344, 2464, 4176, 6660, 10120, 14784, 20904, 28756, 38640, 50880, 65824, 83844, 105336, 130720, 160440, 194964, 234784, 280416, 332400, 391300, 457704, 532224, 615496, 708180, 810960, 924544, 1049664 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = n^4+n^2+2n.`
	CROSSREFS	`Adjacent sequences: A054600 A054601 A054602 this_sequence A054604 A054605 A054606` `Sequence in context: A026952 A009769 A119878 this_sequence A100381 A091143 A119920`
	KEYWORD	`nonn`
	AUTHOR	`njas, Apr 16 2000`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research