# A134434 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 4 5 2 6 4 7 16 8 4 9 36 10 72 11 12 12 36 13 324 14 324 15 36 16 576 17 2592 18 1728 19 144 20 576 21 9216 22 20736 23 9216 24 576 25 14400 26 115200 27 172800 28 57600 29 2880 30 14400 31 360000 32 1440000 33 1440000 34 360000 35 14400 36 518400 37 6480000 38 17280000 39 12960000 40 2592000 41 86400