a(n) arises in the normal ordering of n-th power of the operator (d/dx)(x(d/dx))^4.
A157280
a(n) arises in the normal ordering of n-th power of the operator (d/dx)(x(d/dx))^4.
Terms
- a(0) =1a(1) =52a(2) =43833a(3) =149670844
External references
- oeis: A157280