# A326007 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 22
4 81
5 285
6 1339
7 6264
8 33567
9 186811
10 1116105
11 7001244
12 46150265
13 318158826
14 2286494076
15 17088720336
16 132492477111
17 1063527470481
18 8822541504319
19 75512660179788
20 665878308902676
21 6041491458457319
22 56330651731617333
23 539160888285121116
24 5292067580412471801
25 53218232521845617886
26 547833354998854396224
27 5768212264434778469998
28 62074688689939991197548