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A071749
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Expansion of (1+x^4*C^2)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.
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1, 4, 14, 48, 166, 578, 2029, 7182, 25623, 92078, 333064, 1211896, 4433175, 16294856, 60155235, 222950730, 829284435, 3094726590, 11583668940, 43478013360, 163606061280, 617094776844, 2332666266954, 8835573652892
(list; graph; refs; listen; history; internal format)
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