53604
domain: N
Appears in sequences
- Map from binary trees of size n to the set of corresponding trivalent plane trees (tpt) represented as size 2n+1 general trees.at n=27A083930
- Numbers k such that Bernoulli number B_{k} has denominator 1919190.at n=36A295595
- Number of compositions (ordered partitions) of n into hexagonal numbers (A000384).at n=45A322798