# A333162 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 6
4 11
5 16
6 38
7 78
8 304
9 1672
10 19630
11 450154
12 20198620
13 1673850034
14 252574719718
15 69216356716672
16 34559361669877526
17 31561018687380681802
18 52958472442027295300520
19 163901411216705405946164728
20 939523329928455089556983977702