# A025843 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 1 4 0 5 0 6 2 7 0 8 0 9 2 10 1 11 0 12 3 13 1 14 0 15 3 16 2 17 0 18 4 19 2 20 1 21 4 22 3 23 1 24 5 25 3 26 2 27 5 28 4 29 2 30 7 31 4 32 3 33 7 34 5 35 3 36 9 37 5 38 4 39 9 40 7 41 4 42 11 43 7 44 5 45 11 46 9 47 5 48 13 49 9 50 7 51 13 52 11 53 7 54 15 55 11 56 9 57 15 58 13 59 9 60 18 61 13 62 11 63 18 64 15 65 11 66 21 67 15 68 13 69 21 70 18