# A167034 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 8 5 1 6 1 7 24 8 24 9 1 10 1 11 64 12 486 13 64 14 1 15 1 16 160 17 2430 18 2430 19 160 20 1 21 1 22 384 23 10935 24 81920 25 10935 26 384 27 1 28 1 29 896 30 45927 31 573440 32 573440 33 45927 34 896 35 1 36 1 37 2048 38 183708 39 3670016 40 27343750 41 3670016 42 183708 43 2048 44 1 45 1 46 4608 47 708588 48 22020096