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A124103
C(2*n,n)*stirling2(2*n,n).
+0
1
1, 2, 42, 1800, 119070, 10716300, 1223054448, 169298088960, 27564503362110, 5162247741608100, 1093309327729799180, 258387397153927593552, 67415162325326493328560, 19247023513381472754036000
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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