# A013137 (b-file synthesized from sequence entry) 0 2 1 -16 2 800 3 -97536 4 22208000 5 -8125689856 6 4360566579200 7 -3226435003416576 8 3148058338141798400 9 -3916271639106285469696 10 6050134274987713730969600 11 -11363591103950667093393801216