# A026896 (b-file synthesized from sequence entry)
3 1
4 9
5 57
6 316
7 1647
8 8330
9 41558
10 206418
11 1026392
12 5126109
13 25763881
14 130446758
15 665644541
16 3423360416
17 17740450004
18 92599616864
19 486607242642
20 2573051443194
21 13683364565774
22 73146530405912
23 392867752273562
24 2119154966713452