# A016729 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 2 5 3 6 4 7 3 8 4 9 4 10 4 11 5 12 6 13 5 14 6 15 6 16 6 17 7 18 8 19 7 20 8 21 8 22 8