# A202135 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 10 5 28 6 84 7 260 8 818 9 2609 10 8434 11 27622 12 91524 13 306270 14 1033364 15 3510960 16 12000898 17 41239249 18 142387668 19 493732424 20 1718653462 21 6003501630 22 21037928794 23 73937288814 24 260544327156 25 920376228329 26 3258619058158 27 11561493797242 28 41100002807572