# A368502 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 10
5 26
6 76
7 232
8 764
9 12644
10 61136
11 312676
12 1680592
13 9467680
14 55704104
15 341185496
16 6631556521
17 49294051497
18 380306658250
19 3039453750685
20 25120541332271
21 214363100120051
22 1885987611214092
23 17085579637664715
24 159185637725413675
25 3282701194678476257