Number of Lyndon words (aperiodic necklaces) with 4n beads of 4 colors, n beads of each color. One color labeled, the other 3 unlabeled.

A029809

Number of Lyndon words (aperiodic necklaces) with 4n beads of 4 colors, n beads of each color. One color labeled, the other 3 unlabeled.

Terms

    a(0) =1a(1) =52a(2) =5133a(3) =656880a(4) =97772875a(5) =16032938340

External references