# A177451 (b-file synthesized from sequence entry)
3 1
4 4
5 26
6 281
7 3602
8 56550
9 1121538
10 26193063
11 693887458
12 20808594004
13 699641607622
14 26001947464541
15 1059148042622186
16 47015706166302146
17 2260884753582320442
18 117153802097975691651
19 6513779162975806691634