# A134316 (b-file synthesized from sequence entry)
2 2
3 4
4 8
5 28
6 128
7 748
8 5168
9 41068
10 368048
11 3669868
12 40284848
13 482671468
14 6267305648
15 87660962668
16 1313941673648
17 21010450850668
18 357001369769648
19 6423384156578668
20 122002101778601648
21 2439325392333218668