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Primes which produce records in A157188, at index i=pi(a(n)) (pi=A000720).
5

%I #21 Jan 24 2024 09:21:19

%S 2,3,59,71,1151,2399,7559,42839,110879,181439,241919,262079,453599,

%T 665279,1713599,2827439,6425999,11309759,12700799,14137199,16707599,

%U 37837799,45239039,64864799,82162079,86486399,93562559,260124479,410810399,735134399,950019839

%N Primes which produce records in A157188, at index i=pi(a(n)) (pi=A000720).

%C Primes that can be written in more ways as p*q-(p+q) (p,q prime) than any smaller prime.

%H M. F. Hasler, <a href="/A157190/b157190.txt">Table of n, a(n), for n=1..40.</a>

%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_482.htm">Puzzle 482: Two Bergot questions</a>, The Prime Puzzles & Problems Connection.

%F A157187(a(n)) = A157188(A000720(a(n))) > A157187(p) for all primes p < a(n).

%Y Cf. A000720, A157187, A157188, A157189, A336296.

%K nonn

%O 1,1

%A _M. F. Hasler_, Mar 11 2009

%E a(28) corrected by _M. F. Hasler_, Mar 15 2009