# A129332 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 12 4 120 5 1160 6 11340 7 113988 8 1185968 9 12802896 10 143475300 11 1668342060 12 20111265768 13 251047344600 14 3241258872124 15 43230289541460 16 594927620980320 17 8438127851537312 18 123214473695309652 19 1850390947982126268