# A122681 (b-file synthesized from sequence entry)
1 0
2 1
3 4
4 19
5 54
6 180
7 508
8 1533
9 4332
10 13041
11 37492
12 111367
13 326636
14 968802
15 2858460
16 8483290
17 25113618
18 74512947
19 220885446
20 655274837
21 1943117294
22 5763235194
23 17089323366
24 50673594159
25 150232437482
26 445359235627
27 1320070201468