# A034275 (b-file synthesized from sequence entry) 1 1 2 3 3 14 4 65 5 294 6 1302 7 5676 8 24453 9 104390 10 442442 11 1864356 12 7818538 13 32657884 14 135950700 15 564306840 16 2336457645 17 9652643910 18 39800950530 19 163830074100 20 673327275390 21 2763494696820 22 11327881630260 23 46381659765480 24 189711966348450 25 775232392541724