# quiz

Sat Dec 13 08:00:55 CET 2003

```    Dear Neil
Is it a good explanation for seqfans?
We may ask the same question for Fibonacci sequence.
....5, -3, 2, -1, 1, 0, 1, 2, 3, 5, 8, .....
Where is the starting point?

Yasutoshi

>Dear Yasutoshi,

>The trouble is that I can only give a small numbers of terms
of any sequence.

>Therefore it is necessary to have a starting point.
--------------------------------------------------

>For the Fibonacci numbers

0 1 1 2 3 5 8 13 21 ...

>there is an obvious place to begin.

>>    "an example of periodic 1/4-sigma sequence : the period = 25
6943520030720  5386209454080  6389772480000  7665533854902  5756592291840
5657834203560  6382469882880  7938550287360  9055131471360   9256155068160
11798498589696  12316979136000  13937317954560  18314063179776
18071888486400  20136798781440  18850467643392  16492422758400
15699547839573  6635615891520  7400619883008  6494644316160  8009835724800
9317732578770  7847237806128"

>where does it begin?

>With best wishes

>Neil Sloane

```