# A148263 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 14
5 33
6 111
7 323
8 1150
9 3550
10 13232
11 43213
12 163571
13 559092
14 2153259
15 7578945
16 29644401
17 106868221
18 422484263
19 1554283978
20 6199956152
21 23182015115
22 93218237485
23 353287504703
24 1430209665244
25 5484042065222
26 22328830476538
27 86484189896092
28 353930565358679
29 1382848864426607
30 5684880552551872