A073498 Binomial transform of A073145.

3, 4, 4, -2, -24, -76, -164, -248, -160, 520, 2544, 6736, 12720, 15552, -640, -70432, -246784, -565824, -923456, -792448, 1239296, 7864960, 22439168, 45045504, 61276928, 19713024, -198718464, -790598144, -1930655744, -3376471040, -3503145984, 2384930816, 23805657088

Offset: 0

Author

Mario Catalani (mario.catalani(AT)unito.it), Aug 03 2002

Keywords

• easy
• sign

Links

• N. J. A. Sloane, Transforms
• Index entries for linear recurrences with constant coefficients, signature (4, -6, 2).

Crossrefs

Cf. A073145.

Programs

Mathematica

CoefficientList[Series[(3-8*x+6*x^2)/(1-4*x+6*x^2-2*x^3), {x, 0, 50}], x]

Formula

O.g.f.: (3-8x+6x^2)/(1-4x+6x^2-2x^3); a(n)=4a(n-1)-6a(n-2)+2a(n-3), a(0)=3, a(1)=4, a(2)=4