# A046908 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 7
4 97
5 2251
6 80821
7 4305127
8 332273257
9 36630174931
10 5711638291981
11 1249898984911567
12 381230073532620577
13 161042140788424003291
14 93667063572594041040421
15 74610767840852891620692727
16 80997478506602342803118178457
17 119313601058907927882431190269731
18 237541348427311374857037021264415741