1214423domain: NAppears in sequencesa(n) = 12^n - 11^n.at n=6A016197Nexus numbers (n+1)^6 - n^6.at n=11A022522a(n) = 12^n mod 11^n.at n=6A245805Number of palindromic n-ary words of length n that include the last letter of their respective alphabet.at n=12A378203