# A012380 (b-file synthesized from sequence entry)
0 2
1 12
2 310
3 15960
4 1275178
5 144435940
6 22125155806
7 4434275544496
8 1132379391991122
9 360443126615627452
10 140377052282997200262
11 65840588544634920144392
12 36684663022679611837425786