# A259814 (b-file synthesized from sequence entry)
1 4
2 24
3 92
4 336
5 1132
6 3720
7 11684
8 36384
9 110028
10 331720
11 979276
12 2888464
13 8386412
14 24349160
15 69835548
16 200362176
17 569268356
18 1618172568
19 4563244964
20 12875108576
21 36086945324
22 101200051112
23 282213901868
24 787411392176