# A149089 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 7
4 32
5 68
6 320
7 747
8 3588
9 8884
10 43112
11 111054
12 542840
13 1439280
14 7068896
15 19157363
16 94420380
17 260343268
18 1286463464
19 3596962122
20 17809428792
21 50372422384
22 249792782560
23 713390782142
24 3542022471496
25 10199612069128
26 50692207741840
27 147016742815612
28 731273455228208
29 2134040173232352