179426

Appears in sequences

• Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal.at n=16A208947
• Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and avoiding the pattern z z+1 z+2.at n=16A209074
• a(n) = Sum_{k=0..floor(n/4)} binomial(2*n-7*k,k).at n=31A373644