Ackermann Number

A number of the form , where Arrow Notation has been used.The first few Ackermann numbers are , , and .

References

Ackermann, W. ``Zum hilbertschen Aufbau der reellen Zahlen.'' Math. Ann. 99, 118-133, 1928.

Conway, J. H. and Guy, R. K. The Book of Numbers. New York: Springer-Verlag, pp. 60-61, 1996.

Crandall, R. E. ``The Challenge of Large Numbers.'' Sci. Amer. 276, 74-79, Feb. 1997.

Vardi, I. Computational Recreations in Mathematica. Redwood City, CA: Addison-Wesley, pp. 11, 227, and 232, 1991.

• Interradius
• Intersection
• Interspersion
• Intersphere
• Interval
• Interval Graph
• Interval Order
• Intrinsically Linked
• Intrinsic Curvature
• Intrinsic Equation
• Invariant
• Invariant Density
• Invariant (Elliptic Function)
• Invariant Manifold
• Invariant Point
• Invariant Subgroup
• Inverse Cosecant
• Inverse Cosine
• Inverse Cotangent
• Inverse Curve
• Inverse Filter
• Inverse Function
• Inverse Hyperbolic Cosecant
• Inverse Hyperbolic Cosine
• Inverse Hyperbolic Cotangent