# A173630 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 1 5 7 6 4 7 3 8 1 9 11 10 2 11 13 12 1 13 5 14 8 15 17 16 3 17 19 18 2 19 7 20 1 21 23 22 4 23 25 24 1 25 9 26 14 27 29 28 1 29 31