# A336960 (b-file synthesized from sequence entry)
0 1
1 2
2 14
3 132
4 1676
5 26590
6 506202
7 11242952
8 285383240
9 8149464954
10 258575410190
11 9024809281972
12 343619185754748
13 14173557899208422
14 629600469603730562
15 29965010056866657600
16 1521221783964264806672
17 82053967063309770102130
18 4686301361507067542636694