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A242120 Primes modulo 20. 2
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.

Sequence in context: A242122 A074721 A242121 * A259277 A152073 A331046

Adjacent sequences:  A242117 A242118 A242119 * A242121 A242122 A242123

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, May 05 2014

STATUS

approved

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Last modified July 27 12:04 EDT 2021. Contains 346305 sequences. (Running on oeis4.)