# A249563 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 22
6 57
7 156
8 447
9 1335
10 4140
11 13290
12 44055
13 150494
14 528860
15 1909010
16 7068879
17 26820161
18 104156616
19 413634176
20 1678323602
21 6952182325
22 29378908664
23 126568357635
24 555540596435
25 2482857618713
26 11292588202568
27 52241502972732
28 245700673227652
29 1174263543570678
30 5700387781450739