A032072 Number of reversible strings with n labeled beads of 5 colors, no palindromes of more than 1 bead.

5, 20, 300, 7200, 180000, 5580000, 195300000, 7862400000, 353808000000, 17713080000000, 974219400000000, 58468132800000000, 3800428632000000000, 266043625848000000000

Offset: 1

Author

Christian G. Bower

Keywords

• nonn

Links

• C. G. Bower, Transforms (2)

Formula

"BHJ" (reversible, identity, labeled) transform of 5, 0, 0, 0...

n! * A032088.