# A368283 (b-file synthesized from sequence entry)
0 1
1 3
2 11
3 52
4 320
5 2486
6 23402
7 258252
8 3263528
9 46433648
10 734322672
11 12776283136
12 242519067056
13 4987324250416
14 110454579648688
15 2621008072506592
16 66341399843669760
17 1784150447268259456
18 50804574646886197888
19 1527058892582680257024