# A091650 (b-file synthesized from sequence entry)
1 1
2 3
3 7
4 21
5 59
6 171
7 491
8 1415
9 4073
10 11729
11 33771
12 97241
13 279993
14 806209
15 2321385
16 6684163
17 19246279
18 55417453
19 159568195
20 459458307
21 1322957467
22 3809304207
23 10968454313
24 31582405473
25 90937912211
26 261845282321
27 753953441489
28 2170922412257
29 6250921954449