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A026390 Expansion of (2+x+x^2)/((1-x)*(1-x-x^2)). +0
2
2, 5, 11, 20, 35, 59, 98, 161, 263, 428, 695, 1127, 1826, 2957, 4787, 7748, 12539, 20291, 32834, 53129, 85967, 139100, 225071, 364175, 589250, 953429, 1542683, 2496116, 4038803, 6534923, 10573730 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Equals A022086(n+3) - 4.

Sequence in context: A139482 A038377 A022908 this_sequence A005575 A050407 A113032

Adjacent sequences: A026387 A026388 A026389 this_sequence A026391 A026392 A026393

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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