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A130223
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Number of partitions of n-set in which number of blocks of size 2k-1 is odd (or zero) for every k.
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4
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1, 1, 1, 5, 8, 42, 117, 541, 2403, 10485, 65778, 282262, 2284493, 9977853, 97315935, 450358629, 4966934284, 25167390922, 298399576813, 1693380647429, 20784317362947, 134137856170593, 1658511579778364, 12262539123056548
(list; graph; refs; listen; history; internal format)
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