# A084027 (b-file synthesized from sequence entry)
1 1
2 66
3 423
4 9768
5 251025
6 1253142
7 7123907
8 169108896
9 903996009
10 10004500100
11 110067122011
12 2520202950144
13 13001275950013
14 280009919140028
15 7500003630000075
16 33760012606001792
17 170000242046000017