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A323464 Values of n at which A323484 reaches a new record. 1
1, 2, 3, 6, 20, 40, 80, 1975, 3999 (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, 17.

LINKS

Table of n, a(n) for n=1..9.

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)=20 refers to the fact that it takes 13 steps to reach 100 from 5 using the Choix de Bruxelles (version 2) operation, and all multiples of 5 less than 100 can be reached from 5 in fewer than 13 steps.

CROSSREFS

Cf. A323286, A323460, A323454, A323484.

Sequence in context: A173744 A227316 A176806 * A168268 A340652 A277876

Adjacent sequences:  A323461 A323462 A323463 * A323465 A323466 A323467

KEYWORD

nonn,base,more

AUTHOR

N. J. A. Sloane, Jan 23 2019

STATUS

approved

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Last modified May 26 01:21 EDT 2022. Contains 354073 sequences. (Running on oeis4.)