login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A057759 Least nonnegative square root of 3 mod n for n in A057125. 2
0, 1, 0, 3, 5, 4, 5, 7, 9, 6, 15, 9, 7, 12, 11, 8, 27, 30, 28, 21, 15, 9, 13, 35, 10, 18, 49, 15, 11, 27, 53, 38, 39, 12, 43, 17, 21, 72, 13, 62, 61, 48, 19, 33, 69, 24, 14, 87, 99, 89, 49, 21, 15, 50, 71, 106, 56, 27, 96, 76, 16, 93, 23, 130 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

MATHEMATICA

A057125 = Prepend[ Select[ Range[300], Reduce[ Mod[3 - k^2, #] == 0, k, Integers] =!= False &], 1]; a[n_] := Min[ r /. {ToRules[ Reduce[ Mod[r^2 - 3, A057125[[n]]] == 0, r, Integers] /. C[1] -> 0]}]; a[1] = 0; Table[a[n], {n, 1, 64}] (* Jean-Fran├žois Alcover, Sep 20 2012 *)

CROSSREFS

Sequence in context: A049528 A206035 A200100 * A205601 A021286 A200324

Adjacent sequences:  A057756 A057757 A057758 * A057760 A057761 A057762

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 01 2000

EXTENSIONS

Corrected by T. D. Noe, Apr 19 2007 [The errors were caused by the faulty Maple command "mroot"]

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 21 12:12 EDT 2019. Contains 321369 sequences. (Running on oeis4.)