# A190788 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 14 5 38 6 94 7 248 8 628 9 1638 10 4190 11 10872 12 27940 13 72316 14 186260 15 481488 16 1241512 17 3207302 18 8274646 19 21369496 20 55148068 21 142396436 22 367537484 23 948920560 24 2449445432 25 6323741404 26 16324167564 27 42143003504