[seqfan] Re: Even numbers split into two sequences

Frank Adams-Watters franktaw at netscape.net
Thu May 21 19:17:35 CEST 2015


Shouldn't this just be twice the minimum sequence of integers with this property, ignoring parity?

Franklin T. Adams-Watters

-----Original Message-----
From: Eric Angelini <Eric.Angelini at kntv.be>
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Sent: Thu, May 21, 2015 10:14 am
Subject: [seqfan] Even numbers split into two sequences


Hello SeqFans,
C is only made of single even numbers
D too -- but none is
present in C

D(n) is the absolute first difference |C(n) - C(n+1)|

Always
extend C with the smallest unused even number so far
not leading to a
contradiction:

C = 2, 6, 14, 24, 40, 12, 30, 50, 72, 26, 58, 92, 36, 74, ...
D
=   4  8  10  16  28  18  20  22  46  32  34  56 
38

Best,
É.



_______________________________________________

Seqfan Mailing
list - http://list.seqfan.eu/





More information about the SeqFan mailing list