Second column of triangle A000369: |S2(-3;n+2,2)|.
A143167
Second column of triangle A000369: |S2(-3;n+2,2)|.
Terms
- a(0) =1a(1) =9a(2) =111a(3) =1785a(4) =35595a(5) =848925a(6) =23586255a(7) =748471185a(8) =26715409875
External references
- oeis: A143167