# A049129 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 6 5 20 6 72 7 271 8 1055 9 4212 10 17152 11 70966 12 297482 13 1260715 14 5392627 15 23251149 16 100947165 17 440939300 18 1936388032 19 8544353718 20 37863744762 21 168438633954 22 751927422662 23 3367361700052 24 15123922285632 25 68107641527359