# A115425 (b-file synthesized from sequence entry) 0 2 1 4 2 6 3 8 4 4 5 8 6 12 7 16 8 12 9 24 10 36 11 48 12 48 13 96 14 144 15 192 16 240 17 480 18 720 19 960 20 1440 21 2880 22 4320 23 5760 24 10080 25 20160 26 30240 27 40320 28 80640 29 161280 30 241920 31 322560 32 725760 33 1451520 34 2177280 35 2903040 36 7257600 37 14515200 38 21772800 39 29030400 40 79833600