

A082862


Prime(2^j) at which (prime(1+2^n)prime(2^n))/log(prime(2^n)) sets a (low) record.


9




OFFSET

1,2


COMMENTS

Similar to but not identical to A074327.


LINKS

Table of n, a(n) for n=1..7.
American Institute of Mathematics, Recent information
American Institute of Mathematics, Small gaps between consecutive primes
American Institute of Mathematics, On the error..


EXAMPLE

The values of quotients at primes of this sequence are as follows: 0.348445, 0.270652, 0.243658, 0.139171, 0.106275, 0.0919765


MATHEMATICA

q=1; Do[s=(Prime[2^n+1]Prime[2^n])/Log[Prime[2^n]]//N; If[s<q, Print[{Prime[2^n], s}]; q=s], {n, 1, 30}]


CROSSREFS

Cf. A074327.
Sequence in context: A046495 A061329 A276662 * A274236 A213814 A305546
Adjacent sequences: A082859 A082860 A082861 * A082863 A082864 A082865


KEYWORD

nonn


AUTHOR

Labos Elemer, Apr 14 2003


STATUS

approved



