# A028052 (b-file synthesized from sequence entry)
0 1
1 30
2 595
3 9900
4 149941
5 2145210
6 29561815
7 396813000
8 5224781881
9 67791656790
10 869540915035
11 11050958595300
12 139392712421821
13 1747306114774770
14 21788203659532255
15 270484281270892800