# A151770 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 5670 12 24570 13 77616 14 277200 15 895755 16 2687265 17 7623504 18 19482288 19 45331650 20 99729630 21 207320256 22 395793216 23 694879416 24 1158132360 25 1835136576 26 2682122688 27 3618111196 28 4651857252 29 5702931360