# A033475 (b-file synthesized from sequence entry) 0 1 1 48 2 3840 3 86016 4 983040 5 34603008 6 22900899840 7 805306368 8 1095216660480 9 27419071217664 10 181419418583040 11 1213860837064704 12 384213343210045440 13 13510798882111488 14 31345053406498652160