124044domain: NAppears in sequencesNumber of Abelian cubefree words over a 3-letter alphabet.at n=12A096168Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 10001-11111 pattern in any orientation.at n=20A147087Expansion of 1/((1 - x^3 - x^4)^2 - 4*x^7).at n=33A376724