# A145168 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 226
4 4959
5 136338
6 4361818
7 155947386
8 6080986701
9 254568183028
10 11318103523886
11 530301559146450
12 26035289254487166
13 1333502730683975402
14 71012366873757289557
15 3921010145962481940986
16 223985973308662486807733