# A148212 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 12
5 37
6 129
7 463
8 1739
9 6714
10 26604
11 107525
12 442184
13 1844112
14 7785086
15 33204662
16 142898151
17 619768375
18 2706503596
19 11890979967
20 52525690191
21 233144640014
22 1039370171657
23 4651849092472
24 20894660613343
25 94159212583127
26 425587094508458
27 1928886535320443
28 8764438279695072