# A055234 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 14 5 56 6 6 7 12 8 42 9 30 10 168 11 2580 12 210 13 630 14 420 15 840 16 20790 17 416640 18 9240 19 291060 20 83160 21 120120 22 5165160 23 1719277560 24 43825320 25 26860680 26 277560360 27 1304863560 28 569729160 29 587133466920 30 16522145640 31 33044291280 32 563462139240 33 1140028049160 34 9015394227840 35 1255683068640 36 65361608151840