# A231171 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 -3 5 24 6 -25 7 6 8 120 9 -190 10 90 11 -12 12 720 13 -1526 14 1095 15 -300 16 24 17 5040 18 -13356 19 12915 20 -5490 21 960 22 -48 23 40320 24 -128052 25 156100 26 -90930 27 25500 28 -3000 29 96 30 362880 31 -1341936 32 1975708 33 -1469265 34 576660 35 -113040 36 9240 37 -192 38 3628800 39 -15303024 40 26413100 41 -23958711 42 12184620 43 -3423000 44 486120 45 -28200 46 384