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A134642 Nonprime permutational numbers A134640. 7

%I

%S 0,1,15,21,27,30,39,45,54,57,75,78,99,108,114,120,135,141,147,156,177,

%T 180,198,201,210,216,225,228,194,198,214,222,238,242,294,298,334,346,

%U 358,366,414,422,434,446,482,486,538,542,558,566,582,586,694,698,714

%N Nonprime permutational numbers A134640.

%t a = {}; b = {}; Do[AppendTo[b, n]; w =Permutations[b]; Do[j = FromDigits[w[[m]], n + 1]; If[PrimeQ[j], AppendTo[a, j]], {m, 1, Length[w]}], {n, 0, 10}]; a (*Artur Jasinski*)

%Y Cf. A134640, A134641.

%K nonn

%O 1,3

%A _Artur Jasinski_, Nov 05 2007, Nov 07 2007

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Last modified February 2 21:10 EST 2023. Contains 360024 sequences. (Running on oeis4.)