A055331 Number of rooted identity trees with n nodes and 6 leaves.
6, 61, 329, 1289, 4133, 11462, 28536, 65194, 138956, 279457, 535131, 982224, 1737756, 2976311, 4953198, 8033628, 12731680, 19758178, 30083086, 45010674, 66275305, 96155116, 137614204, 194469039, 271593493, 375156018, 512907786
Offset: 12
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Column 6 of A055327.