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A059489
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Expansion of generating function A_{UU}^(2)(4n;1,1,1).
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2
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1, 5, 66, 2431, 252586, 74327145, 62062015500, 147198472495020, 992340657705109416, 19023173201224270401428, 1037283901500845276138040124, 160915151663568862349180293275135, 71031251058324655345105192111798148156, 89229337105909072018801794323387547092631236
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OFFSET
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0,2
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LINKS
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MAPLE
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A059489 := proc(n) local i, j, t1; t1 := (-3)^(n^2)*2^(2*n); for i to 2*n + 1 do for j to 2*n + 1 do if j mod 2 = 0 then t1 := t1*(3*j - 3*i + 2)/(j - i +2*n +1) end if end do end do; t1 end proc;
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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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