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A323463 Values of n at which A323454 reaches a new record. 0
1, 2, 3, 99, 369, 999, 1999, 9879 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The corresponding numbers of steps are 0, 1, 11, 12, 13, 14, 15, 16.

LINKS

Table of n, a(n) for n=1..8.

Eric Angelini, Lars Blomberg, Charlie Neder, Remy Sigrist, and N. J. A. Sloane, "Choix de Bruxelles": A New Operation on Positive Integers, arXiv:1902.01444, Feb 2019; Fib. Quart. 57:3 (2019), 195-200.

EXAMPLE

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.

CROSSREFS

Cf. A323286, A343460, A323454.

Sequence in context: A199541 A208205 A128931 * A212556 A171460 A249409

Adjacent sequences:  A323460 A323461 A323462 * A323464 A323465 A323466

KEYWORD

nonn,base,more

AUTHOR

N. J. A. Sloane, Jan 23 2019

STATUS

approved

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Last modified May 16 11:35 EDT 2022. Contains 353704 sequences. (Running on oeis4.)