# A196731 (b-file synthesized from sequence entry) 0 1 1 11 2 132 3 1584 4 19008 5 228096 6 2737152 7 32845824 8 394149888 9 4729798656 10 56757583872 11 681091006464 12 8173092077568 13 98077104930816 14 1176925259169792 15 14123103110037504 16 169477237320450048