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A067852 Numbers n such that n divides prime(n^2)-1. 0
1, 2, 4, 6, 10, 11, 18, 20, 32, 90, 129, 188, 244, 678, 688, 756, 1081, 1322, 1477, 19758, 21351, 29518, 43187, 49978, 50342, 95708, 182326, 248253 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(29) > 3*10^5. [From Donovan Johnson, Nov 15 2009]

LINKS

Table of n, a(n) for n=1..28.

EXAMPLE

6 divides prime(6^2)-1 = 150, so 6 is a term of the sequence.

MATHEMATICA

Select[Range[10^4], Mod[Prime[ #^2] - 1, # ] == 0 &]

CROSSREFS

Sequence in context: A004789 A027435 A014666 * A253968 A102025 A226295

Adjacent sequences:  A067849 A067850 A067851 * A067853 A067854 A067855

KEYWORD

nonn

AUTHOR

Joseph L. Pe, Feb 15 2002

EXTENSIONS

a(20)-a(28) from Donovan Johnson, Nov 15 2009

STATUS

approved

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Last modified April 19 04:19 EDT 2019. Contains 322237 sequences. (Running on oeis4.)