# A116413 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 18 4 46 5 117 6 298 7 759 8 1933 9 4923 10 12538 11 31932 12 81325 13 207120 14 527497 15 1343439 16 3421495 17 8713926 18 22192786 19 56520993 20 143948698 21 366611175 22 933692041 23 2377943955 24 6056191126 25 15424018248 26 39282171577 27 100044552528 28 254795294881 29 648917313867