def checkio(number):
    middle = number // 2
    tri_nums = []
    i = 1
    current = 1
    while current <= middle:
        current = i * (i + 1) / 2
        tri_nums.append(int(current))
        i += 1
    i = 0
    list_len = len(tri_nums)
    for num in tri_nums:
        j = i
        current = [num]
        while sum(current) < number:
            j += 1
            if j >= list_len:
                break
            current.append(tri_nums[j])

        if sum(current) == number:
            return current

        i += 1

    return []


# These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
    assert checkio(64) == [15, 21, 28], "1st example"
    assert checkio(371) == [36, 45, 55, 66, 78, 91], "1st example"
    assert checkio(225) == [105, 120], "1st example"
    assert checkio(10) == [1, 3, 6], "10"
    assert checkio(882) == [], "1st example"