# A023471 (b-file synthesized from sequence entry) 0 -29 1 -28 2 -27 3 -26 4 -25 5 -24 6 -23 7 -22 8 -21 9 -20 10 -19 11 -18 12 -17 13 -16 14 -15 15 -14 16 -13 17 -12 18 -11 19 -10 20 -9 21 -8 22 -7 23 -6 24 -5 25 -4 26 -3 27 -2 28 -1 29 0 30 1 31 2 32 3 33 4 34 5 35 6 36 7 37 8 38 9 39 10 40 11 41 12 42 13 43 14 44 15 45 16 46 17 47 18 48 19 49 20 50 21 51 22 52 23 53 24 54 25 55 26 56 27 57 28 58 29 59 30 60 31