# A148129 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 26
6 75
7 231
8 714
9 2253
10 7439
11 24739
12 83518
13 290505
14 1020477
15 3617151
16 12988441
17 47028018
18 171707245
19 633525246
20 2353982342
21 8798512258
22 33091091756
23 125118844853
24 475659961733
25 1818108173316
26 6980593935149
27 26910085515567
28 104137310867262
29 404464619751576
30 1576642426385280