# A025467 (b-file synthesized from sequence entry)
0 1
1 17
2 191
3 1813
4 15855
5 132909
6 1089607
7 8828501
8 71093759
9 570671101
10 4573228023
11 36617788389
12 293071750063
13 2345096538893
14 18762876780839
15 150111475106677
16 1200925773302367
17 9607542463373085
18 76860885976538455