# A137387 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 4 5 6 6 12 7 12 8 24 9 48 10 48 11 32 12 120 13 240 14 240 15 160 16 80 17 720 18 1440 19 1440 20 960 21 480 22 192 23 5040 24 10080 25 10080 26 6720 27 3360 28 1344 29 448 30 40320 31 80640 32 80640 33 53760 34 26880 35 10752 36 3584 37 1024 38 362880 39 725760 40 725760 41 483840 42 241920 43 96768 44 32256 45 9216