# A025804 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 2 5 0 6 2 7 0 8 3 9 1 10 3 11 1 12 4 13 2 14 4 15 2 16 5 17 3 18 6 19 3 20 7 21 4 22 8 23 4 24 9 25 5 26 10 27 6 28 11 29 7 30 12 31 8 32 13 33 9 34 14 35 10 36 16 37 11 38 17 39 12 40 19 41 13 42 20 43 14 44 22 45 16 46 23 47 17 48 25 49 19 50 26 51 20 52 28 53 22 54 30 55 23 56 32 57 25 58 34 59 26 60 36 61 28 62 38 63 30 64 40