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%I #20 Jun 26 2023 12:35:36
%S 0,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,
%T 97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,
%U 181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277
%N The odd prime numbers together with 0: p - (-1)^p - 1 where p = n-th prime.
%F a(n) = p - (-1)^p - 1 where p is the n-th prime.
%F a(n) = p mod n^2, where p is the n-th prime. - _Gary Detlefs_, Jan 14 2012
%p seq(ithprime(n) mod n^2, n=1..59) # _Gary Detlefs_, Jan 14 2012
%o (PARI) a(n)=if(n>1,prime(n)) \\ _Charles R Greathouse IV_, Aug 26 2011
%Y Cf. A000040, A006005, A158611.
%K nonn,easy,less
%O 1,2
%A _Juri-Stepan Gerasimov_, May 23 2009
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