# A148183 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 12
5 29
6 93
7 276
8 927
9 2993
10 10274
11 35085
12 124049
13 441427
14 1598897
15 5826945
16 21522467
17 79877563
18 300000944
19 1131616252
20 4305887660
21 16454197869
22 63243671694
23 244290538010
24 947770308248
25 3694439628217
26 14452603265819
27 56748088000752
28 223590357830468
29 883571418379072
30 3503355234103096