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A124103
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C(2*n,n)*stirling2(2*n,n).
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0
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1, 2, 42, 1800, 119070, 10716300, 1223054448, 169298088960, 27564503362110, 5162247741608100, 1093309327729799180, 258387397153927593552, 67415162325326493328560, 19247023513381472754036000
(list; graph; refs; listen; history; internal format)
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