# A182928 (b-file synthesized from sequence entry) 1 1 2 1 3 -1 4 1 5 2 6 1 7 -3 8 -6 9 1 10 24 11 1 12 -10 13 30 14 -120 15 1 16 720 17 1 18 -35 19 -630 20 -5040 21 1 22 560 23 40320 24 1 25 -126 26 22680 27 -362880 28 1 29 3628800 30 1 31 -462 32 11550 33 -92400 34 -1247400 35 -39916800 36 1 37 479001600 38 1 39 -1716 40 97297200 41 -6227020800