# A149185 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 36
5 125
6 454
7 1716
8 6593
9 25701
10 102083
11 408319
12 1651891
13 6730414
14 27610680
15 113907332
16 472370273
17 1967168204
18 8225197054
19 34508435173
20 145232346024
21 612927899755
22 2593328585776
23 10997662595488
24 46736728652704
25 198998577626392
26 848812543325049
27 3626459868034755