# A287223 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 6
4 22
5 88
6 370
7 1612
8 7232
9 33304
10 157102
11 757804
12 3731352
13 18720504
14 95519428
15 494733144
16 2596388976
17 13783481424
18 73906300822
19 399722732236
20 2178164438936
21 11946745980632
22 65898275096796
23 365308080119688
24 2033992114316240
25 11369167905107888
26 63769939599193228
27 358804271821028088
28 2024523256299630832