# A228551 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 12
4 146
5 2820
6 79682
7 3109932
8 163268786
9 11373086100
10 1049057429762
11 128748967088412
12 21220651011079346
13 4747770003765805380
14 1456585782002699624642
15 6390825031791150383749864