# A128231 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 5
5 11
6 41
7 176
8 617
9 3445
10 21121
11 101806
12 757901
13 6040607
14 37057385
15 344844956
16 3382739921
17 25199021801
18 281393484097
19 3277874983450
20 28726884853141
21 374253333849011
22 5047927474513001
23 50875313074912712