SynthMaker

Number sequence:

Archive · 2011 8 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

tor ·

I give up....

Whats hiding behind the question mark: 0-4-5-6-7-9-?-100

Andrew J ·

Any context? i.e. is it purely a sequence of integers in base 10? Or could it be some sort of cipher?

I can match 0,4,5,6,7,9 as the first 6 high watermarks of the sequence of [sum of prime factors of the sequence of non-primes], but in that case the 8th number should be 13 and not 100 (unless of course you express 13 in the base of sqrt(13)!). 🙂

tor ·

Thanks Andrew I admire your intellect truly 🙂

Context, logical number sequences. it was from a open web site with mind puzzling tasks. now this one has been removed. so i guess it was nonsense made of a practical joker. :P Normally theese kinds of tasks is to be solved with out other tools than a pen and a paper.

I spent some time on it. But thats the prize for dealing with tasks from unknows authors.

Here are some other ones in norwegian, but language does not matter. find the unknowns (?) in the sequences: http://tjenester.aftenposten.no/quiz/quiz.htm?id=5425 http://tjenester.aftenposten.no/quiz/quiz.htm?id=5641

Andrew J ·

😊

First one is easy, just the sum of the previous 2 in the sequence, so answer is 21. The second one is tricky, and I've got to go and get tea for the kids, so I might have to look at it later...

tor ·

It is several number sequences in both links 🙂 If you enjoy such :P Do a selection and press (Neste) norwegian for next.

The first link has 9 number sequences. All theese are pretty easy. I got 9 of 9 there. The second link has 16 number sequences. Some are more challenging. I got 12 of 16 there.

Andrew J ·

Got 8 out of 9 on the first one, question 8 had an alternative answer which the majority of people seemed to guess.

Got the first 6 right for the second lot, but had to skip the rest because my wife needs me to help in the garden... 😕

tor ·

I probaly spent way more time than you.. Im kind of slow but with enough of this time, I get things in the end.

Cherish your woman, children and garden Andrew. Thats where time actually matter 😉

Andrew J ·

🙂

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