61814

Appears in sequences

• Number of independent sets of nodes in the armchair (3,3) carbon nanotube graph of breadth n (n>=1).at n=3A182130
• Number of self-conjugate separable solutions of X + Y = 2Z (integer, disjoint triples from {1,2,3,...,3n}).at n=15A282615
• Number of compositions (ordered partitions) of n into distinct parts, the least being 1.at n=32A339162