# A025808 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 1 5 1 6 1 7 1 8 2 9 1 10 3 11 1 12 3 13 2 14 3 15 3 16 4 17 3 18 5 19 3 20 6 21 4 22 6 23 5 24 7 25 6 26 8 27 6 28 9 29 7 30 10 31 8 32 11 33 9 34 12 35 10 36 13 37 11 38 14 39 12 40 16 41 13 42 17 43 14 44 18 45 16 46 19 47 17 48 21 49 18 50 23 51 19 52 24 53 21 54 25 55 23 56 27 57 24 58 29 59 25 60 31 61 27 62 32 63 29 64 34