# A089504 (b-file synthesized from sequence entry) 1 1 2 6 3 1 4 36 5 30 6 1 7 216 8 756 9 90 10 1 11 1296 12 18360 13 6156 14 210 15 1 16 7776 17 441936 18 387720 19 31356 20 420 21 1 22 46656 23 10614240 24 23705136 25 4150440 26 119556 27 756 28 1 29 279936 30 254788416 31 1432922400 32 521757936 33 29257200 34 373572 35 1260 36 1 37 1679616