# A122745 (b-file synthesized from sequence entry)
3 1
4 1
5 2
6 5
7 12
8 29
9 72
10 170
11 404
12 944
13 2184
14 5000
15 11368
16 25616
17 57376
18 127696
19 282688
20 622656
21 1365472
22 2982016
23 6488320
24 14068672
25 30409216
26 65536512
27 140859776
28 301990912
29 645924864
30 1378530048