A242120 - OEIS

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A242120

Primes modulo 20.

2, 3, 5, 7, 11, 13, 17, 19, 3, 9, 11, 17, 1, 3, 7, 13, 19, 1, 7, 11, 13, 19, 3, 9, 17, 1, 3, 7, 9, 13, 7, 11, 17, 19, 9, 11, 17, 3, 7, 13, 19, 1, 11, 13, 17, 19, 11, 3, 7, 9, 13, 19, 1, 11, 17, 3, 9, 11, 17, 1, 3, 13, 7, 11, 13, 17, 11, 17, 7, 9, 13, 19, 7

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Mod[Prime[Range[100]], 20]

PROG

(Magma) [p mod(20): p in PrimesUpTo(500)];

(Sage) [mod(p, 20) for p in primes(500)] # Bruno Berselli, May 05 2014

CROSSREFS

Cf. similar sequences listed in A242119.