# A151400 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 4
4 10
5 32
6 108
7 312
8 1036
9 3552
10 11680
11 39214
12 136772
13 471748
14 1626866
15 5722264
16 20199400
17 71116826
18 252507746
19 902188304
20 3222655648
21 11548005134
22 41588468526
23 150008189222
24 541865647164
25 1963642984244
26 7131101379546
27 25927597277242
28 94455538469920
29 344779963787714
30 1260046402628588