A323464 Values of n at which A323484 reaches a new record.

1, 2, 3, 6, 20, 40, 80, 1975, 3999, 15995, 39999

Offset: 1

Author

N. J. A. Sloane, Jan 23 2019

Keywords

• nonn
• base
• more

Comments

The corresponding numbers of steps are 0, 1, 11, 12, 13, 14, 15, 16, 17.

Examples

			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.
		

Links

• 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.
• Eric Angelini, Lars Blomberg, Charlie Neder, Remy Sigrist, and N. J. A. Sloane,, "Choix de Bruxelles": A New Operation on Positive Integers, Local copy.

Crossrefs

Cf. A323286, A323460, A323454, A323484.

Extensions

a(10) from Michael S. Branicky, Oct 05 2024

a(11) from Michael S. Branicky, Oct 11 2024