# A150125 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 20
4 70
5 250
6 910
7 3362
8 12562
9 47316
10 179340
11 683300
12 2615034
13 10045386
14 38709710
15 149568252
16 579264594
17 2248081292
18 8740576452
19 34038561714
20 132748629244
21 518386521518
22 2026694854474
23 7932078176602
24 31074793596262
25 121847340688340
26 478166110438380
27 1877883164711372