# A205958 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 2 6 3 7 3 8 48 9 16 10 40 11 40 12 270 13 270 14 945 15 63 16 129024 17 129024 18 64512 19 64512 20 2016000 21 96000 22 528000 23 528000 24 144342000 25 28868400 26 187644600 27 20849400 28 1787836050 29 1787836050 30 59594535 31 59594535 32 3999321544458240 33 121191561953280 34 1030128276602880