# A367111 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 9
5 21
6 53
7 155
8 449
9 1273
10 3721
11 11155
12 33529
13 101245
14 309037
15 950587
16 2936833
17 9117169
18 28448209
19 89134435
20 280252585
21 884123429
22 2797933733
23 8879167067
24 28249550913
25 90091462761
26 287946752601
27 922194331891
28 2959055180953
29 9511538457229