# A277363 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 52
4 646
5 13756
6 458780
7 24525352
8 2094232006
9 287618113900
10 63647556127412
11 22739228686869592
12 13126310109506278556
13 12250085882856201785816
14 18488349380363585366790264
15 45134497176992058331312333648
16 178246891228174428563552421395782