# A360149 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 27 4 107 5 429 6 1731 7 7012 8 28478 9 115864 10 471991 11 1924483 12 7852083 13 32053208 14 130893949 15 534673600 16 2184482707 17 8926392419 18 36479840422 19 149095843951 20 609400587426 21 2490900041118 22 10181669553847 23 41618414303969 24 170118507902985 25 695366323719302