|
|
A297197
|
|
Related to label-increasing 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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
COMMENTS
|
Sequence B_n(2) in Riordan 1978 or 1979.
|
|
LINKS
|
|
|
FORMULA
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|