# A367967 (b-file synthesized from sequence entry) 0 0 1 0 2 3 3 27 4 126 5 462 6 1521 7 4761 8 14556 9 44028 10 132543 11 398199 12 1195290 13 3586698 14 10761069 15 32284341 16 96854328 17 290564472 18 871695099 19 2615087187 20 7845263670 21 23535793350 22 70607382633 23 211822150737 24 635466455316 25 1906399369332 26 5719198111671 27 17157594338991