# A132950 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 3 5 18 6 1 7 4 8 48 9 1728 10 1 11 5 12 100 13 8000 14 2560000 15 1 16 6 17 180 18 27000 19 20250000 20 75937500000 21 1 22 7 23 294 24 74088 25 112021056 26 1016255020032 27 55316793250381824 28 1 29 8 30 448 31 175616 32 481890304 33 9256148959232 34 1244544764462497792 35 1171355575953987221848064