fiNd a Closed Form for the Generating Function for the Sequence

question 63

Short Answer

find a closed form for the generating function for the sequence.
-1, 12!, 14!, 16!, 18! . . .

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Definitions:

Comorbidity

The presence of one or more additional diseases or disorders co-occurring with a primary disease or disorder in the same individual.

Aversion therapy

A behavioral therapy technique that involves pairing an unwanted behavior with an unpleasant stimulus to reduce the occurrence of the behavior.

Psychotherapy

A form of treatment for mental health disorders that involves talking with a therapist to understand and change problematic thoughts and behaviors.

Major depressive disorder

A mental disorder characterized by a pervasive and persistent low mood that is accompanied by low self-esteem and by a loss of interest or pleasure in normally enjoyable activities.