# A148878 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 30
5 95
6 373
7 1337
8 5491
9 20879
10 87823
11 348878
12 1495592
13 6116233
14 26582687
15 111153122
16 488390316
17 2076955693
18 9206018343
19 39681877464
20 177159455338
21 772030567083
22 3467620937271
23 15248904120655
24 68844612742745
25 305061781752215
26 1383396232352037
27 6170031420068042
28 28088366503307858