# A133932 (b-file synthesized from sequence entry) 1 1 2 -1 3 3 4 -2 5 -15 6 20 7 -6 8 105 9 -210 10 40 11 90 12 -24 13 -945 14 2520 15 -1120 16 -1260 17 420 18 504 19 -120 20 10395 21 -34650 22 25200 23 18900 24 -2240 25 -15120 26 -9072 27 1260 28 2688 29 3360 30 -720 31 -135135 32 540540 33 -554400 34 -311850 35 123200 36 415800 37 166320 38 -50400 39 -56700 40 -120960 41 -75600 42 18144 43 20160 44 25920 45 -5040