# A272265 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 21
4 51
5 123
6 285
7 669
8 1569
9 3603
10 8343
11 19335
12 44193
13 101577
14 233697
15 532569
16 1218345
17 2789475
18 6343161
19 14464101
20 33004269
21 74923059
22 170440203
23 387945747
24 879473277
25 1997066751
26 4536975315
27 10273846185