# A150853 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 32
4 140
5 628
6 2896
7 13567
8 64365
9 308151
10 1485833
11 7204422
12 35088850
13 171518779
14 840911474
15 4132992702
16 20355478219
17 100429656440
18 496242132791
19 2455183619347
20 12160650553525
21 60290452100646
22 299161592857493
23 1485537573155445
24 7381483420114541
25 36698905370451628
26 182550859120066383