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A221556 Consecutive values produced by the C++ minstd_rand random number generator with the default seed (1). 3
48271, 182605794, 1291394886, 1914720637, 2078669041, 407355683, 1105902161, 854716505, 564586691, 1596680831, 192302371, 1203428207, 1250328747, 1738531149, 1271135913, 1098894339, 1882556969, 2136927794, 1559527823, 2075782095, 638022372, 914937185, 1931656580 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This is a linear congruential random number generator with multiplier 48271.

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..10000 (first 1000 terms from Eric M. Schmidt)

Stephen K. Park and Keith W. Miller, Random Number Generators: Good Ones are Hard to Find, Communications of the ACM, Volume 31, Number 10 (October, 1988), pp. 1192-1201.

Index entries for sequences related to pseudo-random numbers.

FORMULA

a(n) = 48271^n mod (2^31-1).

MAPLE

a:= proc(n) option remember; `if`(n=0, 1,

      irem(48271 *a(n-1), 2147483647))

    end:

seq(a(n), n=1..30);  # Alois P. Heinz, Oct 25 2017

MATHEMATICA

f[n_] := PowerMod[48271, n, 2^31 -1]; Array[f, 23] (* Robert G. Wilson v, Nov 10 2014 *)

PROG

(C++)

#include <iostream>

#include <random>

void A221556(int max)

{

  std::minstd_rand gen;

  for (int i = 1; i <= max; ++i)

    std::cout << i << ' ' << gen() << '\n';

}

CROSSREFS

Cf. A096550.

Sequence in context: A254778 A254724 A186592 * A227701 A253494 A253501

Adjacent sequences:  A221553 A221554 A221555 * A221557 A221558 A221559

KEYWORD

nonn

AUTHOR

Eric M. Schmidt, Jan 19 2013

STATUS

approved

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Last modified September 21 15:50 EDT 2020. Contains 337272 sequences. (Running on oeis4.)