# A001167 (b-file synthesized from sequence entry) 1 1 2 21 3 21000 4 101 5 121 6 1101 7 1121 8 21121 9 101101 10 101121 11 121121 12 1101121 13 1121121 14 21121121 15 101101121 16 101121121 17 121121121 18 1101121121 19 1121121121 20 21121121121 21 101101121121 22 101121121121 23 121121121121 24 1101121121121 25 1121121121121 26 21121121121121