# A353163 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 3
4 12
5 65
6 210
7 1477
8 7560
9 45864
10 338310
11 2176031
12 17657640
13 139280869
14 1150004856
15 10572694860
16 94834041120
17 931995595457
18 9384294360168
19 96974005210273
20 1066116104926500
21 11838081891521760
22 137785102884102366
23 1652584041236345933