# A112491 (b-file synthesized from sequence entry) 5 945 6 45045 7 1406790 8 37147110 9 909508600 10 21577556000 11 508072685120 12 12041790080320 13 289769457978000 14 7118294418969552 15 179128660433168160 16 4627741977903371040 17 122904955276454869056 18 3358132932795227294400