# A127755 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 -1 5 2 6 0 7 1 8 -2 9 6 10 0 11 0 12 0 13 -6 14 24 15 0 16 -1 17 2 18 0 19 -24 20 120 21 0 22 0 23 0 24 0 25 0 26 -120 27 720 28 0 29 1 30 -2 31 6 32 0 33 0 34 -720 35 5040 36 0 37 0 38 0 39 0 40 0 41 0 42 0 43 -5040 44 40320 45 0 46 0 47 0 48 -6 49 24 50 0 51 0 52 0 53 -40320 54 362880 55 0 56 0 57 0 58 0 59 0 60 0 61 0 62 0 63 0