# A096005 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 7
4 20
5 52
6 144
7 389
8 1058
9 2876
10 7817
11 21250
12 57763
13 157017
14 426817
15 1160207
16 3153770
17 8572836
18 23303385
19 63345169
20 172190019
21 468061001
22 1272321714
23 3458528995
24 9401256521
25 25555264765
26 69466411833
27 188829284972