1953120

Appears in sequences

• Number of primitive (aperiodic) palindromes using a maximum of five different symbols.at n=16A056461
• Number of primitive (period n) periodic palindromes using a maximum of five different symbols.at n=16A056496
• a(n) = 5^n - 5.at n=9A178671
• a(n) = n^9 - n.at n=5A196289
• Number of 5-bead necklaces of n colors not allowing reversal, with no adjacent beads having the same color.at n=25A208536