A047231 - OEIS

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A047231

Numbers that are congruent to {0, 3, 4} mod 6.

0, 3, 4, 6, 9, 10, 12, 15, 16, 18, 21, 22, 24, 27, 28, 30, 33, 34, 36, 39, 40, 42, 45, 46, 48, 51, 52, 54, 57, 58, 60, 63, 64, 66, 69, 70, 72, 75, 76, 78, 81, 82, 84, 87, 88, 90, 93, 94, 96, 99, 100, 102, 105, 106, 108 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (1,0,1,-1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 05 2010]`
	FORMULA	`a(n)= +a(n-1) +a(n-3) -a(n-4). G.f.: x^2(3+x+2x^2) / ( (1+x+x^2)(x-1)^2 ). a(n) = 2n+2-(11+A061347(n+1))/3. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 05 2010]`
	CROSSREFS	`Sequence in context: A032706 A153464 A189297 * A050131 A191326 A191185` `Adjacent sequences: A047228 A047229 A047230 * A047232 A047233 A047234`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.