# A032256 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 3 6 6 7 11 8 25 9 55 10 131 11 310 12 760 13 1856 14 4602 15 11418 16 28572 17 71679 18 180829 19 457633 20 1163061 21 2965132 22 7585112 23 19458697 24 50060307 25 129109859 26 333784289 27 864807439 28 2245261973 29 5840375469 30 15219177003