Fermat-Lucas Number
A number of the form 
obtained by setting 
in a Fermat-Lucas Polynomial.The first few are 3, 5, 9, 17, 33, ... (Sloane's A000051).
References
Sloane, N. J. A. SequenceA000051/M0717in ``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.
- Conditional Convergence
- Conditional Probability
- Condition Number
- Condom Problem
- Condon-Shortley Phase
- Conductor
- Cone
- Cone Graph
- Cone Net
- Cone (Space)
- Cone-Sphere Intersection
- Confidence Interval
- Configuration
- Confluent Hypergeometric Differential Equation
- Confluent Hypergeometric Function
- Confluent Hypergeometric Function of the First Kind
- Confluent Hypergeometric Function of the Second Kind
- Confluent Hypergeometric Limit Function
- Confocal Conics
- Confocal Ellipsoidal Coordinates
- Confocal Parabolic Coordinates
- Confocal Paraboloidal Coordinates
- Conformal Latitude
- Conformal Map
- Conformal Solution