# A081951 (b-file synthesized from sequence entry)
1 3
2 15
3 55
4 253
5 1081
6 13861
7 115921
8 665281
9 18280081
10 75479041
11 2080995841
12 68302634401
13 924972048001
14 48318396825601
15 495843855091201
16 31747936252032001
17 791764338474869761