How Many Permutations of the 26 Letters of the Alphabet

question 107

Short Answer

How many permutations of the 26 letters of the alphabet are there that do not contain any of the following strings: LOP, SLOP, SLOPE, LOPE.

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Definitions:

Nervous System

A complex network of nerves and cells that transmit signals between different parts of the body to coordinate actions and sensory information.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and coordinating information from the body.

Peripheral Nervous System

The part of the nervous system that lies outside the central nervous system, responsible for transmitting signals between the central nervous system and the rest of the body.

Somatic and Autonomic

Relating to the division of the peripheral nervous system that controls the body's voluntary muscle movements (somatic) and regulates involuntary actions like heart rate and digestion (autonomic).