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A026334
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T(4n,n), where T is the array in A026323.
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0
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1, 4, 36, 352, 3620, 38304, 412895, 4509152, 49721364, 552359680, 6172578126, 69310337760, 781375805392, 8838533555180, 100264250360835, 1140219161743552, 12994808897190788, 148381034370726096
(list; graph; refs; listen; history; internal format)
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