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A052208 Pell(n)*Pell(2*n)/2. 1
0, 1, 12, 175, 2448, 34481, 485100, 6826079, 96049728, 1351523425, 19017374892, 267594778639, 3765344259600, 52982414452241, 745519146496332, 10490250465629375, 147609025664755968, 2077016609773544641, 29225841562491165900, 411238798484657629039 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

G.f.: (x^3+x)/[(1+2x-x^2)(1-14x-x^2)].

CROSSREFS

Cf. A000129.

Sequence in context: A187361 A120662 A099930 * A045952 A130550 A073975

Adjacent sequences:  A052205 A052206 A052207 * A052209 A052210 A052211

KEYWORD

nonn

AUTHOR

Gary W. Adamson, Feb 01 2000

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Last modified February 14 06:48 EST 2012. Contains 205577 sequences.