332112domain: NAppears in sequencesFermat coefficients.at n=15A000972Number of necklaces with 7 black beads and n-7 white beads.at n=31A032192Schoenheim bound L_1(n,7,6).at n=30A036834T(n,7), array T as in A051168; a count of Lyndon words; aperiodic necklaces with 7 black beads and n-7 white beads.at n=31A051172