# Computed using Maple code by Robert Israel, Oct 8 2017
0 1
1 1
2 2
3 6
4 48
5 1440
6 414720
7 4180377600
8 13869489586176000
9 521817332305350780518400000
10 72373400562952038729626622187536384000000000
11 415422642927888257689749131592471020852730170822782196121600000000000000
12 360786592074483021597452294913625762288214974853452201262659565606274755790616645385084259532800000000000000000000000
13 1948425954962859319141622954262317015168913929579567729170712475282544579411580569483924225817732849399025169979007639522913392019487037657345731843850240000000000000000000000000000000000000
14 9841523442807282139383144838334885949036665757794637722575256748182945863578627606295756438360993863251730371586568767105569610879928945139457657321180375172994325327980917094124233059740529855750605000560545442878310935175158885725310252857950208000000000000000000000000000000000000000000000000000000000000
15 287632195685117185530487585597985403740601522263953744983555870748600041128288314784896230711827990204877265915451643621965053131768027467808356124798984717927514229717556702123784009142945741337045312272271000034802536279490188828338220248636792887273499282176178403125627079622052465664554281433418181924554585037936740807875672947601265388876137115155905101289695801093528573901683820060253932748800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
16 45291823947859397859256152679503188969408906490920721491795840513715872827797631749580741421721901533659381305281660167501016592407622386194573759798577947608213309001060197958095186009624485983980431383897784326792409171255964035329055388096260532606117745137334708616022685818988983232132048731412567262116759820051718887998877700406102139201784894393625366367661443531639010299833159771208906713048099555963198123655413426297273686658519012395940751319456193352376861989043320617285222325746086079769271241655583967726684868038405006131945956246608850883026572948492139509987089216577524246540987694583405354731871844211731279241837316015548006400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000