# A145777 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 4
6 7
7 20
8 66
9 223
10 972
11 5286
12 31417
13 228724
14 2000916
15 20634823
16 248726975
17 3651917796
18 62467383723
19 1283523230287
20 30987743547862
21 900690199090722
22 30606347558434592
23 1253939853475088497
24 60154380091248350142