# A089737 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 17
4 41
5 98
6 235
7 565
8 1362
9 3294
10 7992
11 19450
12 47475
13 116204
14 285178
15 701585
16 1730003
17 4275162
18 10586164
19 26263365
20 65273566
21 162499838
22 405185762
23 1011815774
24 2530219435
25 6335642377
26 15884284791
27 39871297479
28 100194076029