# A148604 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 21
5 53
6 197
7 568
8 2214
9 6804
10 27244
11 88922
12 363478
13 1223437
14 5079662
15 17701507
16 74338976
17 263864680
18 1119619158
19 4065560701
20 17376239881
21 63877505947
22 275032486480
23 1027579647997
24 4446633800630
25 16760542542833
26 72931601561073
27 278277294762575
28 1215361774611568
29 4668063978027154