id:A111711 - OEIS Search Results

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Leading column of triangle mentioned in A111710.

+0
3

1, 2, 5, 8, 14, 19, 28, 35, 47, 56, 71, 82, 100, 113, 134, 149, 173, 190, 217, 236, 266, 287, 320, 343, 379, 404, 443, 470, 512, 541, 586, 617, 665, 698, 749, 784, 838, 875, 932, 971, 1031, 1072, 1135, 1178, 1244, 1289, 1358, 1405, 1477, 1526, 1601, 1652 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(1)=1, a(2n) = a(2n-1)+2n-1, a(2n+1)=a(2n)+3n; a(n) = A117110(n-1)+1. - Frank Adams-Watters (FrankTAW(AT)Netscape.net), May 01 2006`
	CROSSREFS	`Cf. A111710, A111712.` `Adjacent sequences: A111708 A111709 A111710 this_sequence A111712 A111713 A111714` `Sequence in context: A075731 A009238 A009203 this_sequence A095348 A022907 A006918`
	KEYWORD	`easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 24 2005`
	EXTENSIONS	`More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), May 01 2006`

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.

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