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  3. Project Euler #162: Hexadecimal numbers
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Project Euler #162: Hexadecimal numbers

  • eloidealmeida
     + 1 comment

    I've come to this values for the first 10 N:

    [3] 4
[4] 24
[5] 100
[6] 360
[7] 1204
[8] 3864
[9] 12100
[10] 37320

    For instance, the combinations for N=4 that I'm assuming are:

    [1, 0, A, A]
[1, A, 0, A]
[1, A, A, 0]
[A, 1, 0, A]
[A, 1, A, 0]
[A, 0, 1, A]
[A, 0, A, 1]
[A, A, 0, 1]
[A, A, 1, 0]
[1, 0, 1, A]
[1, 0, A, 1]
[1, 1, 0, A]
[1, 1, A, 0]
[1, A, 1, 0]
[1, A, 0, 1]
[A, 1, 1, 0]
[A, 1, 0, 1]
[A, 0, 1, 1]
[1, 0, 0, A]
[1, 0, A, 0]
[1, A, 0, 0]
[A, 0, 1, 0]
[A, 0, 0, 1]
[A, 1, 0, 0]

    For this test case(N=4), am I missing something ?