A053302 - OEIS

%I #26 Oct 28 2021 13:24:06

%S 7,89,887,9551,31397,492113,4652353,47326693,436273009,4302407359,

%T 42652618343,738832927927,7177162611713,90874329411493,

%U 218209405436543,1693182318746371

%N Largest n-digit prime at the start of a record in the RECORDS transform of the prime gaps.

%C a(17) is probably 80873624627234849 and a(19) is probably 8822016561303449927. - _Robert G. Wilson v_, Mar 16 2004

%C a(18) is most probably 804212830686677669. - _M. F. Hasler_, Apr 25 2014

%C Is this a duplicate of A073861 (except for the first term)? - _M. F. Hasler_, Apr 25 2014

%H Thomas R. Nicely, <a href="/A007053/a007053_1.pdf">Some Results of Computational Research in Prime Numbers</a> [Local copy, pdf only] [ See local copy in A007053]

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PrimeGaps.html">Prime Gaps</a>

%F a(n) = { max p: p in A002386; p< 10^n}. - _R. J. Mathar_, Feb 01 2008

%e a(5)=31397, the last 5-digit prime to begin a gap.

%Y The length of the gap is in A053303.

%K nonn,base

%O 1,1

%A _Enoch Haga_, Mar 05 2000

%E Corrected by _Jud McCranie_, Jan 03 2001

%E a(15) and a(16) from _Robert G. Wilson v_, Mar 16 2004

%E Edited by _R. J. Mathar_, Feb 01 2008