# A150682 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 26
4 114
5 424
6 1938
7 7682
8 35932
9 147832
10 701588
11 2958022
12 14178258
13 60824682
14 293639940
15 1276150788
16 6194167962
17 27191889326
18 132539041596
19 586533927438
20 2868470828448
21 12777858059712
22 62660830011488
23 280664690201288
24 1379435245569860
25 6207447984009842
26 30566347449016788
27 138098871614655648