# A345954 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 9 5 51 6 233 7 939 8 3489 9 12259 10 41385 11 135675 12 435185 13 1373139 14 4279161 15 13210219 16 40490817 17 123438531 18 374772041 19 1134343131 20 3425442705 21 10326135475 22 31088506905 23 93507741771 24 281053804769 25 844319042211 26 2535473709033 27 7611873722299 28 22847398772529 29 68567563468179