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REFERENCES
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J. Ser, Les Calculs Formels des S\'{e}ries de Factorielles. Gauthier-Villars, Paris, 1933, p. 93.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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FORMULA
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Conjecture: a = sum(binomial(n+j,j)*(n+j),j=0..n). - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 30 2006
Conjecture: a(n)=(n-2)*C(2*n,n)/4, n>=2 . - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 28 2007
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