# A181840 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 0 4 0 5 3 6 0 7 5 8 5 9 7 10 7 11 9 12 7 13 11 14 11 15 13 16 13 17 15 18 13 19 17 20 17 21 19 22 19 23 21 24 19 25 23 26 23 27 25 28 25 29 27 30 23 31 29 32 29 33 31 34 31 35 33 36 31 37 35 38 35 39 37 40 37 41 39 42 37 43 41 44 41 45 43 46 43 47 45 48 43 49 47 50 47 51 49 52 49 53 51 54 49 55 53 56 53 57 55 58 55 59 57 60 53 61 59 62 59 63 61 64 61 65 63 66 61 67 65 68 65 69 67 70 67 71 69