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A067308
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One sixteenth of fifth column of triangle A067304.
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0
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16, 185, 2181, 26860, 342968, 4504944, 60509296, 827456576, 11482655232, 161302619392, 2289365653760, 32780329073664, 472951175022592, 6869148315201536, 100352220112662528, 1473672361011920896
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: (21+70c(4*x)+93*c(4*x)^2+60*c(4*x)^3+12*c(4*x)^4)*(c(4*x)^3)/(1+c(4*x))^4, with c(x) g.f. of A000108 (Catalan).
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EXAMPLE
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21+70*y+93*y^2+60*y^3 = p(4,y), fifth row polynomial of triangle A067329.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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