# A125888 (b-file synthesized from sequence entry)
0 0
1 1
2 4
3 11
4 95
5 1255
6 4381
7 145067
8 7662223
9 80819870
10 3642636055
11 790371794974
12 19684652229146
13 11040403321665367
14 3322851650570694710
15 219687751171273292755
16 515022606093026805779903
17 1946889068386887991263046319
18 659536996247168335462717076503