# A123137 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 42
5 1770
6 3132915
7 9815156397249
8 96337295102457969494768070
9 9280874427658072275134580545332124401295103091525032
10 86134630141957550628261532252390058231417831318795074704890644033088478051503964693639295413423482601219