[seqfan] Re: Year and day are anagrams

[Neil Sloane]

> Is this sequence acceptable for OEIS?

Seems a bit too contrived for me.

Best regards
Neil

Neil J. A. Sloane, Chairman, OEIS Foundation.
Also Visiting Scientist, Math. Dept., Rutgers University,
Email: njasloane at gmail.com



On Wed, Mar 22, 2023 at 8:38 AM M. F. Hasler <oeis at hasler.fr> wrote:

> ... today, as well for the French who write the date as 22/03 as for those
> who write it as 03/22 or 22.03.
> That also was the case 27 days ago,
> but last year only once, in February ;
> the year before six times: on 22/01, 12/02 (daughter's birthday), 21/02,
> 22/10, 02/12 and 20/12 (wife's birthday).
>
> So a(2021..2023) = (6,1,2), where "a" obviously stands for anagram.
>
> Going back to years that maybe never existed, we would have
> a(1..14) = (0,...,0, 4, 6, 6, 5),
> if I reckon well, using the Y2K safe 4 digit notation (although probably no
> one used the notation 01/01, 10/01, 01/10 or 10/10 back in the year 11 A.D.
> -- but anyway we don't really speak about years here, but about numbers and
> restrictions on the permutations of their digits).
>
> Is this sequence acceptable for OEIS?
>
> - Maximilian
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>