# A149414 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 12
4 53
5 177
6 828
7 3094
8 14824
9 58033
10 281684
11 1141169
12 5586654
13 23180041
14 114064351
15 481510517
16 2378380394
17 10178922398
18 50407914795
19 218056976919
20 1081961659417
21 4722055959715
22 23463965963873
23 103158013453456
24 513166328831217
25 2270192767159448
26 11303062638778405
27 50271038033668035