# A059597 (b-file synthesized from sequence entry)
0 1
1 9
2 54
3 246
4 945
5 3177
6 9648
7 26928
8 70092
9 171820
10 399960
11 889560
12 1900380
13 3915900
14 7811280
15 15129168
16 28526562
17 52480242
18 94386908
19 166242780
20 287179794
21 487227906
22 812840976
23 1334891664
24 2160134700