# A150059 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 18
4 63
5 220
6 835
7 3154
8 12570
9 49819
10 205075
11 839526
12 3536313
13 14817881
14 63500843
15 270794862
16 1176087811
17 5084586904
18 22320018345
19 97564133595
20 432038519652
21 1905633255140
22 8500244263894
23 37776633883543
24 169546296602137
25 758326978376323
26 3421466506580925
27 15387354919855504