# A109966 (b-file synthesized from sequence entry) 0 1 1 1 2 8 3 512 4 262144 5 1073741824 6 35184372088832 7 9223372036854775808 8 19342813113834066795298816 9 324518553658426726783156020576256 10 43556142965880123323311949751266331066368 11 46768052394588893382517914646921056628989841375232 12 401734511064747568885490523085290650630550748445698208825344