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A032298
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"EFJ" (unordered, size, labeled) transform of 2,1,1,1,...
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2, 1, 7, 9, 21, 148, 281, 997, 3037, 33036, 76275, 352586, 1466713, 6840499, 96591514, 293606525, 1501812845, 7541619580, 45272015807, 252241209910, 5166271223047, 18007882089737, 113281855815782
(list; graph; refs; listen; history; internal format)
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