id:A128488 - OEIS Search Results

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a(n) = sum of terms in n-th row of irregular table A128487.

+0
2

1, 3, 4, 10, 9, 21, 16, 27, 25, 55, 36, 78, 49, 45, 64, 136, 81, 171, 100, 84, 121, 253, 144, 250, 169, 243, 196, 406, 105, 465, 256, 198, 289, 175, 324, 666, 361, 273, 400, 820, 189, 903, 484, 405, 529, 1081, 576, 1029, 625, 459, 676 (list; graph; listen)

	OFFSET	`2,2`
	FORMULA	`a(n) = n *A126080(n)/2, for all n >= 1.`
	CROSSREFS	`Cf. A126080, A128487.` `Sequence in context: A014411 A139556 A023896 this_sequence A117781 A075100 A066861` `Adjacent sequences: A128485 A128486 A128487 this_sequence A128489 A128490 A128491`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Mar 04 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 08 2007`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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