

A297197


Related to labelincreasing forests with branching bounded by 3.


7



1, 2, 4, 10, 34, 146, 752, 4520, 31062, 240188, 2063846, 19508770, 201184666, 2247704104, 27044622168, 348654862510, 4794539357488, 70054014476102, 1083796147054274, 17698938549553490, 304247125951777284
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OFFSET

0,2


COMMENTS

Sequence B_n(2) in Riordan 1978 or 1979.


LINKS



FORMULA



CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



