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A121442
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Expansion of (1-x^2)/(1-x-9*x^2+x^3).
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0
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1, 1, 9, 17, 97, 241, 1097, 3169, 12801, 40225, 152265, 501489, 1831649, 6192785, 22176137, 76079553, 269472001, 932011841, 3281180297, 11399814865, 39998425697, 139315579185, 487901595593, 1701743382561, 5953542163713
(list; graph; refs; listen; history; internal format)
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