A105341 - OEIS

A105341

Least k such that prime(n+k) == k (mod n).

1, 1, 2, 2, 2, 6, 7, 1, 7, 11, 8, 11, 3, 8, 11, 3, 13, 15, 3, 7, 3, 8, 16, 3, 9, 17, 13, 13, 18, 1, 7, 13, 1, 13, 23, 7, 25, 7, 7, 29, 13, 6, 24, 7, 37, 38, 6, 31, 31, 23, 33, 6, 24, 33, 44, 24, 35, 25, 4, 46, 25, 26, 47, 2, 3, 27, 49, 37, 50, 37, 1, 63, 39, 41, 41, 55, 69, 43, 69, 27, 71

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OFFSET

1,3

LINKS

Table of n, a(n) for n=1..81.

MATHEMATICA

bb={}; Do[Do[If[k==Mod[Prime[n+k], n], bb=Append[bb, k]; Goto[ne]]; Label[ne], {k, n-1}], {n, 150}]; bb

CROSSREFS

Sequence in context: A292140 A064943 A081478 * A194676 A151694 A361424

Adjacent sequences: A105338 A105339 A105340 * A105342 A105343 A105344

KEYWORD

nonn

AUTHOR

Zak Seidov, Apr 30 2005

STATUS

approved