Number of reversible strings with n labeled beads of 5 colors, no palindromes of more than 1 bead.
A032072
Number of reversible strings with n labeled beads of 5 colors, no palindromes of more than 1 bead.
Terms
- a(0) =5a(1) =20a(2) =300a(3) =7200a(4) =180000a(5) =5580000a(6) =195300000a(7) =7862400000a(8) =353808000000
External references
- oeis: A032072