[seqfan] Re: triple vs triplet

[Harvey P. Dale]

Neil:

          There are three families, unrelated to each other, living at 100 Main Street, Metropolis, USA.  They each have the same last name.  Each family had one child born on the same day.  Are they triplets? ☺

          I would have thought the definition, in lieu of “same last name,” would have been “same mother” and I suppose that even if one, but not all, of the children later moved to another address their triplet status would persevere? ☺

          Best,

          Harvey



-----Original Message-----
From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of Neil Sloane
Sent: Friday, October 23, 2015 11:28 AM
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Subject: [seqfan] Re: triple vs triplet



The convention in the OEIS is that "triple" is the preferred term



"triplets" are three children with the same last name, the same address, and the same birthday







Best regards

Neil



Neil J. A. Sloane, President, OEIS Foundation.

11 South Adelaide Avenue, Highland Park, NJ 08904, USA.

Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.

Phone: 732 828 6098; home page: http://NeilSloane.com

Email: njasloane at gmail.com<mailto:njasloane at gmail.com>





On Fri, Oct 23, 2015 at 10:51 AM, Craig Knecht <craigknecht03 at gmail.com<mailto:craigknecht03 at gmail.com>>

wrote:



> Is there any definition for a triple vs a triplet?  I have a structure

> where I would like to call a linear arrangement of 3 values a triple

> and a elementary triangle arrangement of the values a triplet (

> Structure =  a triangle tiled with Pythagorean triplets and triples .. see attachment).

>

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