# A154557 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 1 4 1 5 0 6 -1 7 2 8 1 9 0 10 3 11 -3 12 3 13 1 14 0 15 -15 16 12 17 -6 18 4 19 1 20 0 21 105 22 -75 23 30 24 -10 25 5 26 1 27 0 28 -945 29 630 30 -225 31 60 32 -15 33 6 34 1 35 0 36 10395 37 -6615 38 2205 39 -525 40 105 41 -21 42 7 43 1 44 0 45 -135135 46 83160 47 -26460 48 5880 49 -1050 50 168 51 -28 52 8 53 1 54 0 55 2027025 56 -1216215 57 374220 58 -79380