Third subdiagonal of A142458: a(n) = A142458(n+3,n).
A144380
Third subdiagonal of A142458: a(n) = A142458(n+3,n).
Terms
- a(0) =1a(1) =166a(2) =5482a(3) =109640a(4) =1709675a(5) =23077694a(6) =284433852a(7) =3300384000a(8) =36740695125a(9) =397251942790
External references
- oeis: A144380