# A151350 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 1
4 6
5 17
6 58
7 202
8 749
9 2901
10 11318
11 45171
12 183265
13 756196
14 3159230
15 13341971
16 56903856
17 244855696
18 1061995972
19 4638725316
20 20391632508
21 90164737708
22 400807229526
23 1790417941480
24 8033839546376
25 36198663913941
26 163730600062179
27 743218114133634
28 3384894808811735
29 15463955571145905