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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Chowla-numbers/Mathematica/chowla-numbers.math Normal file
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ClearAll[Chowla]
Chowla[0 | 1] := 0
Chowla[n_] := DivisorSigma[1, n] - 1 - n
Table[{i, Chowla[i]}, {i, 37}] // Grid
PrintTemporary[Dynamic[n]];
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 100, 2}]; i
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 1000, 2}]; i
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 10000, 2}]; i
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 100000, 2}]; i
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 1000000, 2}]; i
i = 1; Do[If[Chowla[n] == 0, i++], {n, 3, 10000000, 2}]; i
Reap[Do[If[Chowla[n] == n - 1, Sow[n]], {n, 1, 35 10^6}]][[2, 1]]