# A150231 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 22
4 82
5 322
6 1298
7 5350
8 22426
9 94916
10 406746
11 1757974
12 7645144
13 33472572
14 147357332
15 651595382
16 2893278634
17 12896473212
18 57673136376
19 258672021290
20 1163439070392
21 5245934689602
22 23707011149574
23 107363360719428
24 487179080754400
25 2214621379419896
26 10084210450233258
27 45990924044488522