[seqfan] Re: A064736, A217579 and A302350

Peter Munn techsubs at pearceneptune.co.uk
Wed Apr 11 21:13:31 CEST 2018


On Wed, April 11, 2018 12:29 pm, michel.marcus at free.fr wrote:
[...]
> These 3 sequences are permutations of the integers for which a(n+1) is
> either a multiple or a divisor of a(n), unless I did a mistake.
> Are there other instances of such sequences in the OEIS?

A fairly natural such permutation is generated by the Gray code
permutation followed by the "Fermi-Dirac representation" permutation,
giving A207901(n) = A052330(A003188(n)).

Best Regards,

Peter




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