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Search: id:A130222
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| A130222 |
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Number of partitions of 2n-set in which number of blocks of size 2k-1 is even (or zero) for every k. |
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+0 1
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| 1, 2, 11, 117, 2116, 54233, 1822053, 76771684, 3922196627, 238355654605, 16936961517144
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