# A057560 (b-file synthesized from sequence entry) 1 0 2 0 3 1 4 2 5 1 6 6 7 2 8 12 9 6 10 5 11 2 12 34 13 2 14 9 15 19 16 44 17 1 18 46 19 3 20 31 21 17