# A149656 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 53
5 233
6 909
7 3361
8 14885
9 61241
10 242717
11 1085329
12 4598229
13 18926889
14 85303757
15 368267009
16 1552593669
17 7041525529
18 30802363261
19 132037599601
20 601853765429
21 2658662122505
22 11537150940205
23 52805458896097
24 235044956158053
25 1029638420961785
26 4728821380317661
27 21177107496077649