168453

Appears in sequences

• Number of n-bead necklaces labeled with numbers -6..6 allowing reversal, with sum zero and avoiding the patterns z z+1 z+2 and z z-1 z-2.at n=6A209483
• Number of 7-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and avoiding the patterns z z+1 z+2 and z z-1 z-2.at n=5A209488
• Floor of the solutions to c = exp(1 + n/c) for n >= 0, using recursion.at n=30A234604