# A117572 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 1 4 3 5 3 6 4 7 3 8 6 9 4 10 6 11 6 12 7 13 6 14 9 15 7 16 9 17 9 18 10 19 9 20 12 21 10 22 12 23 12 24 13 25 12 26 15 27 13 28 15 29 15 30 16 31 15 32 18 33 16 34 18 35 18 36 19 37 18 38 21 39 19 40 21 41 21 42 22 43 21 44 24 45 22 46 24 47 24 48 25 49 24 50 27 51 25 52 27 53 27 54 28 55 27 56 30 57 28 58 30 59 30 60 31 61 30 62 33 63 31 64 33 65 33 66 34 67 33 68 36 69 34 70 36 71 36 72 37 73 36 74 39 75 37