id:A098230 - OEIS Search Results

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a(n) = n(73n - 71)/2

+0
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1, 75, 222, 442, 735, 1101, 1540, 2052, 2637, 3295, 4026, 4830, 5707, 6657, 7680 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Similar to 21-gonal and 15-gonal numbers.`
	EXAMPLE	`If n=2, 2(732 - 71)/2 = 75`
	CROSSREFS	`Cf. A051873, A051867.` `Sequence in context: A044407 A044788 A003503 this_sequence A055561 A015223 A129625` `Adjacent sequences: A098227 A098228 A098229 this_sequence A098231 A098232 A098233`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 25 2004`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.