Hofstadter Figure-Figure sequences: Difference between revisions
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(ffr and ffs defined) |
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1. Create two functions named ffr and ffs that when given n return R(n) or S(n) respectively. |
1. Create two functions named ffr and ffs that when given n return R(n) or S(n) respectively. |
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2. No maximum value for n should be assumed. |
2. No maximum value for n should be assumed. |
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ffs[j_] := Differences[ffr[j + 1]] |
ffs[j_] := Differences[ffr[j + 1]] |
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</lang> |
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<lang Mathematica> |
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ffr[10] |
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(* out *) |
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{1, 3, 7, 12, 18, 26, 35, 45, 56, 69} |
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</lang> |
</lang> |
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