222156

Appears in sequences

• Dimensions of certain Lie algebra (see reference for precise definition).at n=4A133318
• a(n) = Product_{d|n} T(d) where T(x) = x*(x+1)/2 = A000217(x) = x-th triangular number.at n=32A275786
• Number of chiral pairs of color patterns (set partitions) in a cycle of length n using 3 or fewer colors (subsets).at n=15A320743