# A150546 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 26
4 104
5 429
6 1803
7 7782
8 33856
9 148730
10 660726
11 2948863
12 13237899
13 59758894
14 270693518
15 1230751350
16 5614377090
17 25678567655
18 117745736266
19 541132227323
20 2491918243663
21 11496651079775
22 53130402214928
23 245919723193033
24 1139897903189075
25 5290724990386423
26 24586936743438214
27 114391228364278238