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Search: id:A109771
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A109771 G.f.: sqrt(1+6*x+x^2). +0
1
1, 3, -4, 12, -44, 180, -788, 3612, -17116, 83172, -412196, 2075436, -10586892, 54595476, -284157492, 1490774076, -7875206076, 41854313412, -223636052036, 1200637707852, -6473448634348, 35037238641780, -190299310403924, 1036863750837852, -5665846701859484 (list; graph; listen)
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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