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A297202
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Related to label-increasing forests with branching bounded by 4.
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7
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1, 3, 9, 30, 120, 582, 3351, 22395, 170505, 1457238, 13816869, 143942445, 1634497320, 20093354217, 265873928856, 3767702766825, 56931647539755, 913761523938678, 15524893940956074, 278364926845016820
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Sequence C_n(3) in Riordan 1978 or 1979.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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