# A148395 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 16
5 53
6 194
7 678
8 2540
9 9864
10 39339
11 159002
12 650824
13 2696290
14 11362478
15 48339341
16 207535853
17 897905427
18 3913431910
19 17176437470
20 75847364805
21 336777968274
22 1503202127905
23 6739922000073
24 30346283721419
25 137170213293591
26 622379744415404
27 2833871341615016
28 12943682517721161