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Search: id:A099696
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| A099696 |
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Consider the family of multigraphs enriched by the species of involutions. Sequence gives number of those multigraphs with n edges. |
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1
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| 1, 1, 4, 25, 244, 3380, 62133, 1440382, 40673705, 1364815169, 53415511305
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