# A148350 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 15
5 42
6 141
7 454
8 1636
9 5654
10 21372
11 77839
12 304105
13 1149623
14 4605049
15 17911778
16 73142360
17 290931536
18 1206443012
19 4886121626
20 20518294930
21 84344339293
22 357919513388
23 1489741008146
24 6378159512931
25 26830071268609
26 115748486759273
27 491362556375669
28 2133872051606574