2の累乗

code:terminal

$ python power2.py

2^0 = 1

2^1 = 2

2^2 = 4

2^3 = 8

2^4 = 16

2^5 = 32

2^6 = 64

2^7 = 128

2^8 = 256

2^9 = 512

2^10 = 1024

2^11 = 2048

2^12 = 4096

2^13 = 8192

2^14 = 16384

2^15 = 32768

2^16 = 65536

2^17 = 131072

2^18 = 262144

2^19 = 524288

2^20 = 1048576

2^21 = 2097152

2^22 = 4194304

2^23 = 8388608

2^24 = 16777216

2^25 = 33554432

2^26 = 67108864

2^27 = 134217728

2^28 = 268435456

2^29 = 536870912

2^30 = 1073741824

2^31 = 2147483648

2^32 = 4294967296

code:python

# encoding: utf-8

import math

for i in range(32+1):

print('2^{} = {}'.format(i, 2**i))