# A032346 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 21 5 82 6 354 7 1671 8 8536 9 46814 10 273907 11 1700828 12 11158746 13 77057021 14 558234902 15 4230337018 16 33448622893 17 275322101318 18 2354401779494 19 20878592918183 20 191682453823420 21 1819147694792802 22 17822073621801123