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  1. f=lambda n:f(bin(n)[2:])if n<''else n in'1'or(n[0]!=n[-1])*f(n[1:-1])
  2.  
  3. print [i for i in range(4558) if f(i)]
  4.  
Success #stdin #stdout 0.01s 9128KB
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Standard input is empty
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[1, 2, 6, 10, 12, 22, 28, 38, 42, 52, 56, 78, 90, 108, 120, 142, 150, 170, 178, 204, 212, 232, 240, 286, 310, 346, 370, 412, 436, 472, 496, 542, 558, 598, 614, 666, 682, 722, 738, 796, 812, 852, 868, 920, 936, 976, 992, 1086, 1134, 1206, 1254, 1338, 1386, 1458, 1506, 1596, 1644, 1716, 1764, 1848, 1896, 1968, 2016, 2110, 2142, 2222, 2254, 2358, 2390, 2470, 2502, 2618, 2650, 2730, 2762, 2866, 2898, 2978, 3010, 3132, 3164, 3244, 3276, 3380, 3412, 3492, 3524, 3640, 3672, 3752, 3784, 3888, 3920, 4000, 4032, 4222, 4318, 4462]
https://ideone.com/tT0NpQ
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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