# A335258 (b-file synthesized from sequence entry)
1 1
2 3
3 3
4 315
5 567
6 155925
7 93555
8 638512875
9 127702575
10 1856156927625
11 7795859096025
12 49308808782358125
13 56894779364259375
14 1298054391195577640625
15 95646113035463615625
16 122529844256906551386796875
17 47570410123269602303109375
18 2405873491984360136479756640625