# A135025 (b-file synthesized from sequence entry)
1 4
2 9
3 22
4 57
5 146
6 367
7 946
8 2507
9 6634
10 17777
11 48522
12 133107
13 369020
14 1028405
15 2880288
16 8100949
17 22877146
18 64823569
19 184274932
20 525282741
21 1501215194
22 4299836187
23 12340952050
24 35486796313
25 102220582466
26 294917666855
27 852123981582
28 2465458792769