# A126415 (b-file synthesized from sequence entry)
0 1
1 28
2 134
3 650
4 3168
5 15486
6 75848
7 372024
8 1826730
9 8977530
10 44151860
11 217269760
12 1069715430
13 5268960200
14 25962370558
15 127969407686
16 630947807506
17 3111658441818
18 15349331786976
19 75731342285276
20 373715745367376