# A149573 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 63
5 203
6 1007
7 3611
8 17913
9 68165
10 339541
11 1344553
12 6700861
13 27275037
14 136111539
15 565638663
16 2823615477
17 11921534499
18 59544108915
19 254620915051
20 1271977699853
21 5495542744837
22 27460677851471
23 119669589387615
24 598040482043249
25 2625117022381697
26 13120667790287485
27 57953094149224831