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%I #8 Jul 13 2020 12:19:49
%S 1,2,3,99,369,999,1999,9879
%N Values of n at which A323454 reaches a new record.
%C The corresponding numbers of steps are 0, 1, 11, 12, 13, 14, 15, 16.
%H Eric Angelini, Lars Blomberg, Charlie Neder, Remy Sigrist, and N. J. A. Sloane, <a href="http://arxiv.org/abs/1902.01444">"Choix de Bruxelles": A New Operation on Positive Integers</a>, arXiv:1902.01444, Feb 2019; Fib. Quart. 57:3 (2019), 195-200.
%e a(4)=99 refers to the fact that it takes 12 steps to reach 99 from 1 using the Choix de Bruxelles (version 2) operation, and all numbers less than 99 (and not ending in 0 or 5) can be reached from 1 in fewer than 12 steps.
%Y Cf. A323286, A343460, A323454.
%K nonn,base,more
%O 1,2
%A _N. J. A. Sloane_, Jan 23 2019
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