# A037089 (b-file synthesized from sequence entry) 0 1 1 2 2 11 3 12 4 21 5 22 6 31 7 32 8 41 9 42 10 51 11 101 12 1001 13 1002 14 1011 15 1012 16 1021 17 1022 18 1031 19 1032 20 1041 21 10001 22 100001 23 100002 24 100011 25 100012 26 100021 27 100022 28 100031 29 100032 30 100041 31 1000001 32 10000001 33 10000002 34 10000011 35 10000012