A204910 Least prime p such that n divides p-q for some prime q satisfying 5<=q<p.

7, 7, 11, 11, 17, 11, 19, 13, 23, 17, 29, 17, 31, 19, 37, 23, 41, 23, 43, 31, 47, 29, 53, 29, 61, 31, 59, 41, 71, 37, 67, 37, 71, 41, 83, 41, 79, 43, 83, 47, 89, 47, 97, 61, 97, 53, 101, 53, 103, 61, 107, 59, 113, 59, 127, 61, 127, 71, 131, 67, 127, 67, 131, 71, 137, 71, 139, 73, 149, 83, 149, 79

Offset

1,1

Comments

For a guide to related sequences, see A204892.

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

f:= proc(n) local p, k;
  p:= n+4;
  do
    p:= nextprime(p);
    if ormap(isprime, [seq(p-n*k, k=1..(p-5)/n)]) then return p fi
  od
end proc:
map(f, [$1..100]); # Robert Israel, Jun 27 2019

Mathematica

(See the program at A204908.)

Crossrefs

Cf. A204908, A204900, A204892.

Sequence in context: A336019 A213886 A053673 * A152672 A003883 A212535

Adjacent sequences: A204907 A204908 A204909 * A204911 A204912 A204913

Keyword

nonn,look

Author

Clark Kimberling, Jan 20 2012

Extensions

More terms from Robert Israel, Jun 27 2019

Status

approved