rainci

result = []

#Core #
for idx, val in enumerate(range(1, 100)):
    if (idx <= 0):
        result.append(idx + (idx + 1)) #Init the first number#
    else:
        result.append(idx + result[idx - 1])

#Testing#
testRef = [1,2,4,7,11,16,22]

for idx, val in enumerate(testRef):
    if result[idx] != val:
        print('Failed on test index '  + str(idx) + ' where it should be ' + str(val) + ', but there is ' + str(result[idx]))
        exit(0)
        break

#Showing Result#
print('Displaying result:')
for i in result:
    print(i)