# A043554 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 2 5 3 6 2 7 1 8 2 9 3 10 4 11 3 12 2 13 3 14 2 15 1 16 2 17 3 18 4 19 3 20 4 21 5 22 4 23 3 24 2 25 3 26 4 27 3