# A027554 (b-file synthesized from sequence entry)
3 1
4 935
5 1343716
6 3230526398
7 12659193075915
8 77651287028222349
9 716902341058356240826
10 9619689557753954605091000
11 181989604311341940461980829077
12 4728027536072767671095685369625235