# A136657 (b-file synthesized from sequence entry) 0 1 1 3 2 2 3 12 4 18 5 4 6 60 7 150 8 72 9 8 10 360 11 1320 12 1020 13 240 14 16 15 2520 16 12600 17 13860 18 5160 19 720 20 32 21 20160 22 131040 23 191520 24 99960 25 21840 26 2016 27 64 28 181440 29 1481760 30 2751840 31 1882440 32 571200 33 81984 34 5376 35 128 36 1814400 37 18144000 38 41489280 39 35622720