id:A115274 - OEIS Search Results

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n+A115273(n).

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1, 2, 3, 5, 7, 6, 9, 12, 9, 13, 17, 12, 17, 22, 15, 21, 27, 18, 25, 32, 21, 29, 37, 24, 33, 42, 27, 37, 47, 30, 41, 52, 33, 45, 57, 36, 49, 62, 39, 53, 67, 42, 57, 72, 45, 61, 77, 48, 65, 82, 51, 69, 87, 54, 73, 92, 57, 77, 97, 60, 81, 102, 63, 85, 107, 66, 89, 112, 69, 93, 117 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Three arithmetic progressions interlaced: a(1)=1,2,3 and d=a(n+1)-a(n)=4,5,3. Cf. A115273.`
	FORMULA	`n+floor(n/3)*(n mod 3), n=1, 2, ...`
	MATHEMATICA	`Table[n+Floor[n/3]*Mod[n, 3], {n, 78}]`
	CROSSREFS	`Cf. A115273.` `Sequence in context: A126048 A081622 A064143 this_sequence A126890 A122637 A076229` `Adjacent sequences: A115271 A115272 A115273 this_sequence A115275 A115276 A115277`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Jan 18 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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