# A099525 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 11
4 28
5 68
6 169
7 422
8 1048
9 2603
10 6472
11 16088
12 39985
13 99386
14 247036
15 614027
16 1526212
17 3793532
18 9429145
19 23436926
20 58254448
21 144796331
22 359903440
23 894570224
24 2223529441
25 5526769202
26 13737249076
27 34145086475
28 84870480556