# A192929 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 30 4 210 5 4620 6 120120 7 4084080 8 116396280 9 2677114440 10 310545275040 11 14440355289360 12 1068586291412640 13 114873026326858800 14 9419588158802421600 15 442720643463713815200 16 54011918502573085454400 17 8587895041909120587249600