finite sequences

[Artur]

%S A000001 7,19,23,43,47,73,83,109,113
%N A000001 Primes which have only positive amplitudes defined as ((Prime[k  
+ n] + Prime[k - n])/2) - Prime[k] for k=3,4,5,..., n=1,2,..,k-3,k-2
%e A000001 31 don't belonging because one amplitude is zero {2, 1, 0, 1,  
2, 4, 3, 5,
6}
%O A000001 1
%K A000001 ,nonn,
%A A000001 Artur Jasinski (grafix at csl.pl), Dec 23 2006

Dnia 23-12-2006 o 14:51:59 Artur <grafix at csl.pl> napisał(a):

> %S A000001 5,7,13,19,23,31,43,47,73,83,109,113
> %N A000001 Primes which have only non-negative amplitudes defined as  
> ((Prime[k + n] + Prime[k - n])/2) - Prime[k] for k=3,4,5,...,  
> n=1,2,..,k-3,k-2
> %e A000001 31 belonging because all amplitudes are non-negative {2, 1,  
> 0, 1, 2, 4, 3, 5,
> 6} 29 don't belonging because some amplitudes are negative {-2, -1, 0,  
> -1, 0, 1, 3, 3}
> %O A000001 1
> %K A000001 ,nonn,
> %A A000001 Artur Jasinski (grafix at csl.pl), Dec 23 2006
>
>
> Dnia 23-12-2006 o 11:42:17 Artur <grafix at csl.pl> napisał(a):
>
>> D%I A126244
>> %S A126244 137, 135, 138, 132, 133, 135, 135, 137, 138, 135, 137, 136,  
>> 135, 135, 139,
>> 142, 143, 141, 140, 141, 141, 144, 144, 146, 146, 145, 147, 147, 147,  
>> 150,
>> 156, 157
>> %N A126244 numbers which are the arithmetic mean of n-th prime > 137  
>> and n-th prime < 137
>> %C A126244 Number 137 is 33-th prime number. Arithmetic mean with first  
>> prime isn't integer.
>> %t A126244 Table[(Prime[33 + n] + Prime[33 - n])/2, {n, 0, 31}] (*Artur  
>> Jasinski*)
>> %Y A126244 A126243
>> %O A126244 0
>> %K A126244 ,fini,nonn,
>> %A A126244 Artur Jasinski (grafix at csl.pl), Dec 23 2006
>>
>> __________ NOD32 Informacje 1935 (20061222) __________
>>
>> Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
>> http://www.nod32.com lub http://www.nod32.pl
>>
>
>
>
> __________ NOD32 Informacje 1935 (20061222) __________
>
> Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
> http://www.nod32.com lub http://www.nod32.pl
>