279067
domain: N
Appears in sequences
- Number of odd-length multiset partitions of integer partitions of n.at n=21A358837
- a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units without partitioning a triangle into 3 element sets of trapezoids.at n=52A391452