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A007989 Slowest increasing sequence with property that a(n) does not divide any term of form a(n+m*a(n)) for any m; this is the slowest increasing "non-difference-divisible" sequence. 1

%I #10 Feb 27 2018 23:21:37

%S 2,3,5,6,7,8,9,11,13,14,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,

%T 32,33,37,41,42,43,44,47,49,53,54,55,58,59,61,65,66,67,68,69,70,71,73,

%U 75,76,77,79,83,85,87,88,89,91,95,96,97,98,101,103,107,109

%N Slowest increasing sequence with property that a(n) does not divide any term of form a(n+m*a(n)) for any m; this is the slowest increasing "non-difference-divisible" sequence.

%H Sean A. Irvine, <a href="/A007989/b007989.txt">Table of n, a(n) for n = 0..1000</a>

%H J. Mason, <a href="http://www.jstor.org/stable/40247947">Mathematical Abstraction Seen and a Delicate Shift of Attention</a>, For the learning of Mathematics 9 (2) 1989, pp. 2-8.

%H J. Mason, <a href="http://www.jstor.org/stable/3619818">Difference-Divisible Sequences</a>, Math. Gazette 74 (469) 1990, pp. 223-228.

%K nonn

%O 0,1

%A _John H. Mason_

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)