# A367875 (b-file synthesized from sequence entry) 0 1 1 4 2 18 3 91 4 512 5 3169 6 21352 7 155257 8 1209680 9 10039825 10 88318136 11 819958033 12 8004898600 13 81913041721 14 876117919616 15 9770201709649 16 113347591376672 17 1365288066794017 18 17043527322085096 19 220145837754233713 20 2937871757773069496 21 40451715334029650953