# A085116 (b-file synthesized from sequence entry) 0 4 1 12 2 480 3 2880 4 171360 5 15079680 6 2979744768 7 256258050048 8 2206253681888256 9 32081134788337130496 10 3025251010540191405772800 11 60806680954426264344203059200 12 22247876027117358528051602802320179200