# A004503 (b-file synthesized from sequence entry) 0 14 1 12 2 13 3 17 4 15 5 16 6 11 7 9 8 10 9 23 10 21 11 22 12 26 13 24 14 25 15 20 16 18 17 19 18 5 19 3 20 4 21 8 22 6 23 7 24 2 25 0 26 1 27 41 28 39 29 40 30 44 31 42 32 43 33 38 34 36 35 37 36 50 37 48 38 49 39 53 40 51 41 52 42 47 43 45 44 46 45 32 46 30 47 31 48 35 49 33 50 34 51 29 52 27 53 28 54 68 55 66 56 67 57 71