# A130666 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 21
5 89
6 248
7 1652
8 5760
9 59789
10 268529
11 4367552
12 24922412
13 641484896
14 4607113999
15 188770443286
16 1702258930069
17 111575238563044
18 1256539208451845
19 132483845142611245
20 1854392449274745630
21 316017552098202250347