# A343277 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 12 4 60 5 30 6 210 7 280 8 2520 9 1260 10 6930 11 4620 12 60060 13 6006 14 30030 15 240240 16 4084080 17 1225224 18 11639628 19 2771340 20 19399380 21 1939938 22 44618574 23 178474296 24 4461857400 25 106234700 26 1434168450 27 20078358300 28 582272390700 29 19409079690 30 601681470390 31 125024721120