# A137499 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 24 7 -360 8 720 9 2520 10 -15120 11 15120 12 0 13 141120 14 -423360 15 282240 16 -169344 17 0 18 5080320 19 -10160640 20 5080320 21 0 22 -15240960 23 0 24 152409600 25 -228614400 26 91445760