# A023461 (b-file synthesized from sequence entry) 0 -19 1 -18 2 -17 3 -16 4 -15 5 -14 6 -13 7 -12 8 -11 9 -10 10 -9 11 -8 12 -7 13 -6 14 -5 15 -4 16 -3 17 -2 18 -1 19 0 20 1 21 2 22 3 23 4 24 5 25 6 26 7 27 8 28 9 29 10 30 11 31 12 32 13 33 14 34 15 35 16 36 17 37 18 38 19 39 20 40 21 41 22 42 23 43 24 44 25 45 26 46 27 47 28 48 29 49 30 50 31 51 32 52 33 53 34 54 35 55 36 56 37 57 38 58 39 59 40 60 41