# A207835 (b-file synthesized from sequence entry)
0 1
1 15
2 200
3 3525
4 134355
5 16781664
6 6730280105
7 7679335074975
8 23795707614699850
9 197148338964056588955
10 4337960355881995023988299
11 252594793852565664429620014530
12 38838042059493582778244565420563025
13 15744729667082405326504405819215652913325