# A151186 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 51
4 228
5 1049
6 4912
7 23310
8 111611
9 538350
10 2611000
11 12719428
12 62181672
13 304871715
14 1498393712
15 7379275195
16 36403845579
17 179852166090
18 889676649510
19 4405782364400
20 21838700181353
21 108340738964579
22 537866816660190
23 2672014854526180
24 13281659061969012
25 66052268381557539
26 328640757399863619