# A243468 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 32
4 401
5 6941
6 154092
7 4181124
8 134128092
9 4966119716
10 208417559828
11 9776282249324
12 506839013285272
13 28777453303699456
14 1775899632802691548
15 118352734502149514340
16 8471167817556712646853
17 648104081945726392459965
18 52780511829697565513665400