# A008272 (b-file synthesized from sequence entry)
1 0
2 10
3 732
4 47868
5 3848320
6 395925990
7 51677715180
8 8406604850392
9 1673689684372128
10 401132372917509090
11 114061334769253037980
12 37993391290097065722900
13 14661377074205783294317152