# A130728 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 6 4 3 5 27 6 28 7 324 8 338 9 5991 10 6875 11 228512 12 322056 13 17782554 14 30487207 15 2704389848 16 5451449965 17 819155081866 18 1981437279113 19 497332226754331 20 1457925225531230 21 603767469974886673 22 2133983730438871395