# A171460 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 3 4 100 5 111 6 112 7 113 8 200 9 211 10 222 11 223 12 300 13 311 14 322 15 333 16 10000 17 10101 18 10102 19 10103 20 11100 21 11111 22 11112 23 11113 24 11200 25 11211 26 11222 27 11223 28 11300 29 11311 30 11322 31 11333 32 20000 33 20101 34 20202 35 20203 36 21100 37 21111 38 21212 39 21213