# A355112 (b-file synthesized from sequence entry) 0 1 1 2 2 12 3 112 4 1376 5 21056 6 386688 7 8286720 8 202958848 9 5592199168 10 171203895296 11 5765504860160 12 211811563929600 13 8429932686999552 14 361312700788375552 15 16592261047219388416 16 812749365813312487424 17 42299637489384965537792 18 2330989060564353634271232