id:A082450 - OEIS Search Results

Search: id:A082450

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5*(n^2-n+2)/2.

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5, 5, 10, 20, 35, 55, 80, 110, 145, 185, 230, 280, 335, 395, 460, 530, 605, 685, 770, 860, 955, 1055, 1160, 1270, 1385, 1505, 1630, 1760, 1895, 2035, 2180, 2330, 2485, 2645, 2810, 2980, 3155, 3335, 3520, 3710, 3905, 4105, 4310, 4520, 4735, 4955, 5180, 5410, 5645 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Except for the first term, a(n)=5*n+a(n-1)-5 (with a(1)=5) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 29 2009]`
	REFERENCES	`Found on a quiz.`
	CROSSREFS	`Essentially 5*A000124.` `Sequence in context: A138506 A000728 A022088 this_sequence A087705 A087033 A079305` `Adjacent sequences: A082447 A082448 A082449 this_sequence A082451 A082452 A082453`
	KEYWORD	`nonn,new`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 25 2003`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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