# A023462 (b-file synthesized from sequence entry) 0 -20 1 -19 2 -18 3 -17 4 -16 5 -15 6 -14 7 -13 8 -12 9 -11 10 -10 11 -9 12 -8 13 -7 14 -6 15 -5 16 -4 17 -3 18 -2 19 -1 20 0 21 1 22 2 23 3 24 4 25 5 26 6 27 7 28 8 29 9 30 10 31 11 32 12 33 13 34 14 35 15 36 16 37 17 38 18 39 19 40 20 41 21 42 22 43 23 44 24 45 25 46 26 47 27 48 28 49 29 50 30 51 31 52 32 53 33 54 34 55 35 56 36 57 37 58 38 59 39 60 40