A039703 - OEIS

A039703

a(n) = n-th prime modulo 5.

2, 3, 0, 2, 1, 3, 2, 4, 3, 4, 1, 2, 1, 3, 2, 3, 4, 1, 2, 1, 3, 4, 3, 4, 2, 1, 3, 2, 4, 3, 2, 1, 2, 4, 4, 1, 2, 3, 2, 3, 4, 1, 1, 3, 2, 4, 1, 3, 2, 4, 3, 4, 1, 1, 2, 3, 4, 1, 2, 1, 3, 3, 2, 1, 3, 2, 1, 2, 2, 4, 3, 4, 2, 3, 4, 3, 4, 2, 1, 4, 4, 1, 1, 3, 4, 3, 4, 2, 1, 3, 2, 4, 2, 1, 4, 3, 4, 1, 3, 1, 2, 2, 3, 4, 1

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

OFFSET

1,1

COMMENTS

a(A049084(A045356(n-1))) = even; a(A049084(A045429(n-1))) = odd. - Reinhard Zumkeller, Feb 25 2008

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..1000

MAPLE

seq(ithprime(n) mod 5, n=1..105); # Nathaniel Johnston, Jun 29 2011

MATHEMATICA

Table[Mod[Prime[n], 5], {n, 105}] (* Nathaniel Johnston, Jun 29 2011 *)

Mod[Prime[Range[100]], 5] (* Vincenzo Librandi, May 06 2014 *)