In questions , describe each sequence recursively. Include initial conditions and assume that the sequences
begin with a1.
-$$a _ { n }$$ = the number of ways to go down an n-step staircase if you go down 1, 2, or 3 steps at a time.

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The Answer of In questions , describe each sequence recursively. Include initial conditions and assume that the sequences
begin with a1.
-$$a _ { n }$$ = the number of ways to go down an n-step staircase if you go down 1, 2, or 3 steps at a time.

In Questions , Describe Each Sequence Recursively ana _ { n }an​

In Questions , Describe Each Sequence Recursively $a _ { n }$