# A149557 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 59
5 193
6 895
7 3259
8 15291
9 58641
10 278023
11 1107235
12 5295601
13 21602507
14 103888769
15 431979255
16 2088322907
17 8809419485
18 42735313349
19 182391672799
20 887657036207
21 3825232735637
22 18661736385173
23 81064401244013
24 396325426798887
25 1733517914129193
26 8490333231128203
27 37355022085126659