# A148686 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 22
5 67
6 228
7 775
8 2787
9 10096
10 37692
11 142300
12 546739
13 2124319
14 8349915
15 33135509
16 132647446
17 535088379
18 2174051788
19 8887400681
20 36550977240
21 151088635064
22 627703523526
23 2619294449873
24 10975951665533
25 46172369684781
26 194925589213610
27 825737811918024
28 3508786527526401