# A212169 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 12 5 24 6 36 7 48 8 120 9 240 10 360 11 720 12 1680 13 5040 14 10080 15 15120 16 20160 17 25200 18 45360 19 50400 20 110880 21 221760 22 332640 23 554400 24 665280 25 2882880 26 8648640 27 14414400 28 17297280 29 43243200 30 294053760