Ruler Function

The exponent of the largest Power of 2 which Divides a given number . The values of the rulerfunction for , 2, ..., are 1, 2, 1, 3, 1, 2, 1, 4, 1, 2, ... (Sloane's A001511).

References

Guy, R. K. ``Cycles and Sequences Containing All Permutations as Subsequences.'' §E22 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 224, 1994.

Sloane, N. J. A. SequenceA001511/M0127in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.

• Alethic
• Alexander-Conway Polynomial
• Alexander Ideal
• Alexander Invariant
• Alexander Matrix
• Alexander Polynomial
• Alexander's Horned Sphere
• Alexander-Spanier Cohomology
• Alexander's Theorem
• Algebra
• Algebraic Closure
• Algebraic Coding Theory
• Algebraic Curve
• Algebraic Function
• Algebraic Function Field
• Algebraic Geometry
• Algebraic Integer
• Algebraic Invariant
• Algebraic Knot
• Algebraic Link
• Algebraic Number
• Algebraic Number Field
• Algebraic Surface
• Algebraic Tangle
• Algebraic Topology