A Little History
I have defined sequence numbers as
integers that produce a known or recognizable sequence of numbers when you
take their inverse and calculate its digital expansion.
I call them sequence numbers because I
have not found another name for them (except “Mr. B,s SuperDuper Fantastic
Arithmetically Accurate and Magically Mathematical Sequence Numbers” – a catchy
title but much too long).
An example can be found at http://www.futilitycloset.com/2012/01/08/mathnotes76/
. I call these type 1 sequence
numbers. I have found other numbers
that for one reason or another do not fit my definition of sequence numbers
but produce “sequence numberish” results.
I call these type 2 sequence numbers, and I will publish these from
time to time along with type 1 sequence numbers.
I will also try to publish short explanations
about how I found some of these numbers and about the properties of some of
these numbers.
David

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