# A361678 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 97
5 481
6 1441
7 3361
8 77281
9 647137
10 3195361
11 11674081
12 116286721
13 1147935361
14 7611379777
15 37451144641
16 263670781921
17 2456043418081
18 19073086806241
19 115319128034017
20 748239468100417
21 6179458007222977
22 50636218964639617
23 350400618132423937