# A028213 (b-file synthesized from sequence entry)
0 1
1 35
2 773
3 13783
4 216909
5 3146703
6 43129381
7 567128471
8 7227535997
9 89900761951
10 1097000610069
11 13181200344039
12 156403487677165
13 1836701044549679
14 21383695384607237
15 247159815109688887