a(n) = 2^(n - 3) - A368279(n) for n >= 5, otherwise 0. Number of compositions of n whose first and last part is not equal to 1 and whose first part is not the largest part.

A369584

a(n) = 2^(n - 3) - A368279(n) for n >= 5, otherwise 0. Number of compositions of n whose first and last part is not equal to 1 and whose first part is not the largest part.