# A090647 (b-file synthesized from sequence entry)
0 0
1 7
2 70
3 2451
4 168140
5 18724685
6 3065490210
7 692352720199
8 206231512032280
9 78326336951247393
10 36942519649032690350
11 21183831880266815272667
12 14513757566643671668200420
13 11709262576429836293006370421