# A132815 (b-file synthesized from sequence entry) 0 1 1 -1 2 2 3 1 4 -2 5 3 6 -1 7 0 8 0 9 4 10 1 11 4 12 -12 13 8 14 5 15 -1 16 -10 17 30 18 -40 19 25 20 6 21 1 22 18 23 -45 24 60 25 -75 26 54 27 7 28 -1 29 -28 30 42 31 0 32 0 33 -84 34 98 35 8 36 1 37 40 38 0 39 -224 40 420 41 -336 42 0 43 160 44 9 45 -1 46 -54 47 -108 48 672 49 -1260 50 1512 51 -1176 52 288 53 243 54 10