# A357671 (b-file synthesized from sequence entry)
0 2
1 4
2 20
3 166
4 1812
5 22504
6 297362
7 4067298
8 56897300
9 809019580
10 11649254520
11 169444978124
12 2485270719570
13 36707044807996
14 545386321069862
15 8144809732228666
16 122177690210103060
17 1839933274439787940
18 27804610626798500372
19 421476329345312885304
20 6406685025104178888312