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A256348
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Moduli n for which A248218(n) = 8.
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2
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193, 386, 461, 523, 579, 772, 887, 922, 1019, 1046, 1158, 1351, 1383, 1544, 1569, 1774, 1844, 1861, 2038, 2092, 2123, 2153, 2269, 2316, 2509, 2661, 2702, 2766, 2887, 3057, 3088, 3138, 3227, 3391, 3449, 3541, 3548, 3661, 3667, 3688, 3722, 3919
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OFFSET
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1,1
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COMMENTS
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If x and y are members, then so is LCM(x,y). - Robert Israel, Mar 08 2021
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LINKS
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MAPLE
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filter:= proc(n) local x, k, R;
x:= 0; R[0]:= 0;
for k from 1 do
x:= x^2+1 mod n;
if assigned(R[x]) then return evalb(k-R[x] = 8)
else R[x]:= k fi
od;
end proc:
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MATHEMATICA
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filter[n_] := Module[{x, k, R}, x = 0; R[0] = 0; For[k = 1, True, k++, x = Mod[x^2+1, n]; If[IntegerQ[R[x]], Return[k - R[x] == 8], R[x] = k]]];
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PROG
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(PARI) for(i=1, 3000, A248218(i)==8&&print1(i", "))
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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