# A083112 (b-file synthesized from sequence entry) 1 1 2 3 3 8 4 135 5 144 6 85085 7 5760 8 2297295 9 3449600 10 5316400089 11 43545600 12 30919742228375 13 6706022400 14 1726541615638125 15 1707444076642304 16 204279350669769375 17 376610217984000 18 232876694951587194633125 19 128047474114560000 20 23826124317017265875590959 21 669489320248554291200000 22 4543516354864205968588828125