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A206473 First prime in A122072 that appears at least n times. 0

%I #14 May 13 2013 01:50:03

%S 7,199,1129,1327,19609,19609,31397,155921,360653,370261,370261,

%T 1349533,1357201,1561919,2010733,15203977,17051707,17051707,20831323,

%U 20831323,20831323,47326693,189695659,189695659,191912783,436273009,436273009,436273009,436273009

%N First prime in A122072 that appears at least n times.

%C Corresponding values of n in A122072 are 1, 21, 115, 136, 1965, 1966, ....

%H <a href="/index/Pri#gaps">Index entries for primes, gaps between</a>.

%o (PARI) a(n)=my(p=2);forprime(q=3,default(primelimit),if(q\10-p\10>=n,return(p));p=q) \\ _Charles R Greathouse IV_, Feb 26 2012

%Y Cf. A122384, A122390.

%K nonn

%O 1,1

%A _Lekraj Beedassy_, Feb 08 2012

%E a(5)-a(15) from Alois P. Heinz, Feb 08 2012

%E a(16)-a(36) from _Charles R Greathouse IV_, Feb 26 2012

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)