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A155542
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G.f.: (2+2*x)/(1-8*x-25*x^2).
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0
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2, 18, 194, 2002, 20866, 216978, 2257474, 23484242, 244310786, 2541592338, 26440508354, 275063875282, 2861523711106, 29768786570898, 309688385344834, 3221726747031122, 33516023609869826, 348671357554736658, 3627271450684638914, 37734955544345527762
(list; graph; refs; listen; history; internal format)
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