# A251596 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 0
4 5
5 1
6 70
7 106
8 2380
9 12398
10 184359
11 1830820
12 25990371
13 348029255
14 531547931
15 83340599734
16 1395460803100
17 24298184539132
18 442299791441900
19 8348538362127894
20 163180897579795284