# A116747 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 21
5 72
6 230
7 689
8 1970
9 5460
10 14833
11 39790
12 105890
13 280367
14 739878
15 1948186
16 5121973
17 13451620
18 35299782
19 92580429
20 242705586
21 636062896
22 1666534337
23 4365640346
24 11434584546
25 29946505947
26 78421715110
27 205352199014