A028831 - OEIS

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A028831

Expansion of (1+2*x+3*x^2)/(1-x-x^2-x^3-x^4).

1, 3, 7, 11, 22, 43, 83, 159, 307, 592, 1141, 2199, 4239, 8171, 15750, 30359, 58519, 112799, 217427, 419104, 807849, 1557179, 3001559, 5785691, 11152278, 21496707, 41436235, 79870911, 153956131 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A018345 A082675 A201645 * A137516 A187265 A187266` `Adjacent sequences: A028828 A028829 A028830 * A028832 A028833 A028834`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.