# A149906 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 14
4 48
5 166
6 622
7 2326
8 9309
9 36739
10 151832
11 620493
12 2633507
13 11037726
14 47677709
15 203638448
16 892014016
17 3865883495
18 17116446248
19 75049236217
20 335181357964
21 1483617411572
22 6673221538285
23 29770554253264
24 134701250227594
25 604910695461140
26 2750750692731513
27 12422712428685783