# A176785 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 4 4 24 5 256 6 3360 7 53824 8 1016064 9 22095616 10 543966720 11 14955833344 12 454227400704 13 15103031627776 14 545668238868480 15 21286707282264064 16 891735287528914944 17 39926103010743156736