# A179468 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 10
5 22
6 62
7 146
8 420
9 1050
10 3124
11 7956
12 23957
13 62486
14 192129
15 509457
16 1560782
17 4196095
18 13066095
19 35437076
20 109838408
21 301261013
22 944939968
23 2605796828
24 8124857765
25 22597326279
26 71095025143
27 198583977503