A071850 Smallest k > n such that n divides prime(k) - prime(n).

2, 3, 5, 5, 11, 8, 11, 14, 13, 17, 16, 18, 19, 20, 28, 26, 31, 22, 42, 32, 37, 26, 65, 30, 45, 31, 37, 38, 39, 40, 54, 38, 57, 40, 72, 48, 75, 52, 79, 62, 192, 48, 59, 60, 91, 68, 107, 58, 98, 75, 116, 95, 69, 72, 73, 83, 76, 96, 115, 79, 205, 92, 84, 85, 86, 76, 109, 100

Offset

1,1

Links

Ivan Neretin, Table of n, a(n) for n = 1..10000

Mathematica

sk[n_]:=Module[{k=n+1, p=Prime[n]}, While[!Divisible[Prime[k]-p, n], k++]; k]; Array[sk, 70] (* Harvey P. Dale, Feb 16 2020 *)

Prog

(PARI) for(n=1, 100, s=1; while((prime(n+s)-prime(n))%n>0, s++); print1(n+s, ", "))

Crossrefs

Sequence in context: A066911 A326229 A326187 * A092749 A152076 A133278

Adjacent sequences: A071847 A071848 A071849 * A071851 A071852 A071853

Keyword

easy,nonn

Author

Benoit Cloitre, Jun 09 2002

Status

approved