# A148284 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 12
5 32
6 97
7 282
8 870
9 2870
10 9215
11 30571
12 106328
13 361324
14 1256426
15 4523643
16 15971258
17 57343994
18 211680313
19 767950799
20 2823061650
21 10618284888
22 39319704544
23 147172286980
24 561739600196
25 2113692222212
26 8025292111327
27 30995394823367
28 118139661528722
29 453789274312738
30 1769748668161067