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A069547 n^2 mod n-th prime. 7
1, 1, 4, 2, 3, 10, 15, 7, 12, 13, 28, 33, 5, 24, 37, 44, 53, 19, 26, 45, 3, 10, 31, 42, 43, 70, 8, 35, 78, 109, 72, 107, 130, 44, 33, 88, 113, 140, 18, 43, 70, 135, 130, 6, 55, 126, 99, 74, 131, 210, 38, 75, 158, 155, 198, 243, 21, 112, 157, 228, 42, 35, 285, 53, 156, 235 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

What is the origin of pattern at n~(6-7)*10^3 (see link to figure)? - Zak Seidov, Nov 22 2011

LINKS

Zak Seidov, Table of n, a(n) for n = 1..10000

Zak Seidov, Figure of dependence a(n) for n=1..10000

MATHEMATICA

Table[ PowerMod[n, 2, Prime[n]], {n, 1, 70}]

PROG

vector(100, n, n^2 % prime(n)) \\ Michel Marcus, Jun 01 2015

CROSSREFS

Cf. A000040, A004648.

Sequence in context: A026196 A026216 A292411 * A282772 A227041 A098046

Adjacent sequences:  A069544 A069545 A069546 * A069548 A069549 A069550

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Apr 17 2002

EXTENSIONS

Edited and extended by Robert G. Wilson v, Apr 22 2002

STATUS

approved

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Last modified October 15 00:04 EDT 2019. Contains 328025 sequences. (Running on oeis4.)