# A181306 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 18
5 44
6 110
7 272
8 676
9 1676
10 4160
11 10320
12 25608
13 63536
14 157648
15 391152
16 970528
17 2408064
18 5974880
19 14824832
20 36783296
21 91266496
22 226449920
23 561866240
24 1394099328
25 3459031296
26 8582528768
27 21294921472
28 52836837888
29 131098461184