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A136419
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Binomial((n+2)*(n+1),(n+1)*n).
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0
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1, 15, 924, 125970, 30045015, 11058116888, 5804731963800, 4116305022165108, 3789648142708598775, 4393971523180763714190, 6264034568006128435579200, 10768081679718351117338193075, 21964431474217462812712934302044
(list; graph; refs; listen; history; internal format)
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