# A306681 (b-file synthesized from sequence entry)
1 1
2 3
3 9
4 27
5 121
6 313
7 939
8 27927
9 12127121
10 313121313
11 939313939
12 2792793927927
13 121271212792712127121
14 31312131312127121313121313
15 939313939313121313939313939
16 27927939279279393139392792793927927
17 1212712127927121271212792793927927121271212792712127121