# A232694 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 9
4 177
5 5601
6 249681
7 14569545
8 1062623265
9 93853717761
10 9810385567329
11 1192614883442889
12 166310354311947345
13 26308546859152889697
14 4677436610087462937393
15 927353710845763536487305
16 203648424149429271943770945
17 49245501579619466882211194625
18 13045520297945193508654786790337