import sys
from collections import defaultdict

def count_unbalanced_subarrays(A):
    n = len(A)
    count = 0
    for i in range(n):
        freq = defaultdict(int)
        max_freq = 0
        for j in range(i, n):
            num = A[j]
            freq[num] += 1
            if freq[num] > max_freq:
                max_freq = freq[num]
            if max_freq > (j - i + 1) // 2:
                count += 1
    return count

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    A = list(map(int, input[1:n+1]))
    print(count_unbalanced_subarrays(A))

if __name__ == "__main__":
    main()