# A150768 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 30
4 128
5 546
6 2414
7 10856
8 49400
9 226878
10 1053341
11 4911942
12 23065184
13 108766594
14 515154967
15 2448386241
16 11672043990
17 55807469114
18 267451716801
19 1284557001388
20 6182325559111
21 29805956507042
22 143934962407235
23 696107584579056
24 3371174760656563
25 16346570988382705
26 79354842703323609