How do I...display the series 1,2,4,7,44,45,47,50,216........N using c# technique

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Posted 24-Jan-15 8:49am

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Wendelius 24-Jan-15 14:57pm

What is the formula that would produce this series?

Zoltán Zörgő 24-Jan-15 15:00pm

I guess that is the real question... :)

Wendelius 24-Jan-15 15:13pm

Perhaps this formula :)
https://msdn.microsoft.com/en-us/library/system.random%28v=vs.110%29.aspx[^]

Sergey Alexandrovich Kryukov 24-Jan-15 15:47pm

And what is "C# technique"?
The example of data is not the definition. I could proof that there can be infinite number of sequences with the same starting members. So, the guesswork is possible but pointless.
—SA

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CPallini · Answer 1 · 2015-01-24T10:40:00

Solution 1

My guess work:
a₀ = 1

a_4k = 30 + a_4(k-1) + a_4(k-1)+1 + a_4(k-1)+3 + a_4(k-1)+6 = 4 (a_4(k-1) + 10)
(k = 1, 2, 3, 4, ...)

a_4k+1 = a_4k + 1
a_4k+2 = a_4k+1 + 2
a_4k+3 = a_4k+2 + 3
(k = 0, 1, 2, 3, ...)

Now a C# loop should do the trick.

Posted 24-Jan-15 10:40am

CPallini

Updated 24-Jan-15 13:59pm

v8

Comments

[no name] 24-Jan-15 19:01pm

You are crazy, wow! My tiny 5, do you think also a c++ Loop can do the trick *lol*?

CPallini 24-Jan-15 19:53pm

Yes, I think so :-)
By the way, thank you.