# A126297 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 3 4 6 5 390 6 13860 7 23892750 8 80215013340 9 9851050382488595280 10 694858921540030774800 11 344551675909308833470705200 12 1955049249155875335764556836119978483886656454640