# A134592 (b-file synthesized from sequence entry) 2 1 3 4 4 6 5 48 6 4 7 720 8 1260 9 1680 10 48 11 50400 12 6 13 665280 14 720 15 48 16 1081080 17 43243200 18 1680 19 2205403200 20 48 21 720 22 50400 23 293318625600 24 1260 25 128501493120 26 665280 27 4655851200 28 720 29 26985313555200 30 48 31 782574093100800 32 1516237305382800 33 50400 34 43243200 35 720 36 1680