# A060206 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 66
4 504
5 4210
6 37378
7 346846
8 3328188
9 32786630
10 329903058
11 3377919260
12 35095839848
13 369192702554
14 3925446804750
15 42126805350798
16 455792943581400
17 4967158911871358
18 54480174340453578
19 600994488311709056
20 6664356253639465480