# A325581 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 24 4 98 5 430 6 2062 7 10610 8 58240 9 338984 10 2081189 11 13423258 12 90626012 13 638509008 14 4682120763 15 35650040782 16 281266115870 17 2295142774336 18 19338107378888 19 167987656339604 20 1502475101768767 21 13818574571596432 22 130542011977462175 23 1265358001625542030 24 12572822521590475349 25 127943980062492526520 26 1332336499429857507073 27 14186629118985647254622 28 154348478009342665050329 29 1714707987491310848285920