# A091752 (b-file synthesized from sequence entry) 1 1 2 2 3 -2 4 1 5 40 6 -40 7 20 8 -6 9 1 10 2240 11 -2240 12 1120 13 -360 14 80 15 -12 16 1 17 246400 18 -246400 19 123200 20 -40320 21 9520 22 -1680 23 220 24 -20 25 1 26 44844800 27 -44844800 28 22422400 29 -7392000 30 1786400 31 -332640 32 48720 33 -5600 34 490 35 -30 36 1 37 12197785600 38 -12197785600 39 6098892800 40 -2018016000 41 493292800