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A213637 Values of n for which A213636(n) = 1. 4

%I

%S 1,3,4,5,7,9,10,11,13,15,16,17,19,21,22,23,25,27,28,29,31,33,34,35,36,

%T 37,39,40,41,43,45,46,47,49,51,52,53,55,57,58,59,61,63,64,65,67,69,70,

%U 71,73,75,76,77,79,81,82,83,85,87,88,89,91,93,94,95,96,97,99

%N Values of n for which A213636(n) = 1.

%C a(n) is the position of the n-th 1 in the sequence of remainders when each positive integer is divided by its least nondivisor (as in A007978).

%H Vincenzo Librandi, <a href="/A213637/b213637.txt">Table of n, a(n) for n = 1..1000</a>

%t (See A213636.)

%t rem[n_]:=Module[{lnd=First[Complement[Range[n],Divisors[n]]]},Mod[n,lnd]];Flatten[Position[Join[{1,2},Array[rem,100,3]],1]] (* _Harvey P. Dale_, Feb 07 2014 *)

%K nonn,easy

%O 1,2

%A _Clark Kimberling_, Jun 16 2012

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Last modified November 27 07:28 EST 2021. Contains 349365 sequences. (Running on oeis4.)