# A321789 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 2 6 1 7 1 8 6 9 6 10 1 11 1 12 24 13 720 14 24 15 1 16 1 17 120 18 3628800 19 3628800 20 120 21 1 22 1 23 720 24 1307674368000 25 2432902008176640000 26 1307674368000 27 720 28 1 29 1 30 5040 31 51090942171709440000 32 10333147966386144929666651337523200000000 33 10333147966386144929666651337523200000000 34 51090942171709440000 35 5040 36 1