# A148634 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 22
5 57
6 228
7 675
8 2843
9 9166
10 39921
11 136593
12 608999
13 2177271
14 9875969
15 36522316
16 167856514
17 637648645
18 2961102120
19 11497232435
20 53836918512
21 212865555852
22 1003591093787
23 4029358951881
24 19105439745246
25 77719067512279
26 370282905548327
27 1523451104865929
28 7288112519210954