41770

Appears in sequences

• Third row of Pascal-(1,2,1) array A081577.at n=21A081583
• Triangle T(n, k) = Numbers of inequivalent (mod D_3) ways to place k points on a triangular grid of side n so that no three of them are vertices of an equilateral triangle of any orientation. Triangle read by rows.at n=37A243141
• Number of partitions of n such that each part is no more than 4 more than the sum of all smaller parts.at n=41A286097