# A148160 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 31
6 86
7 246
8 736
9 2276
10 7240
11 22690
12 72285
13 234747
14 771123
15 2566400
16 8493635
17 28334539
18 95604553
19 324278488
20 1108220193
21 3778047729
22 12939669749
23 44644265673
24 154504166115
25 537300462031
26 1866279782528
27 6502091763142
28 22768475794159
29 79893282232247
30 281289871201986
31 989741714280930