204972

Appears in sequences

• Number of primitive (aperiodic) step shifted (decimated) sequences using exactly four different symbols.at n=9A056388
• Molecular topological indices of the graph join C_n + C_n of cycle graphs.at n=28A192848
• Number of (n+1) X (n+1) -3..3 symmetric matrices with every 2 X 2 subblock having sum zero and three distinct values.at n=15A211323
• Number of distinct edges among all circles that can be constructed on vertices of an n-sided regular polygon, using only a compass.at n=28A359047