cp's OEIS Frontend

A253936 a(n) = prime(n + (prime(n) mod 10)).

%I A253936 #21 Nov 12 2024 21:09:22
%S A253936 5,11,19,31,13,23,43,59,37,67,37,67,43,59,79,67,101,67,101,73,89,127,
%T A253936 101,137,131,103,113,149,163,137,163,137,173,191,193,157,193,179,199,
%U A253936 191,229,191,193,211,239,257,223,233,263,277,251,283,251,257,293,277,317,277,317,283,311,313,349,313,337,367,337,379,383
%N A253936 a(n) = prime(n + (prime(n) mod 10)).
%H A253936 Zak Seidov, <a href="/A253936/a253936.jpg">Color graph for first 100 terms</a>
%F A253936 a(n) = A000040(n + A010879(A000040(n))),
%F A253936 a(n) = A000040(n + A007652(n)).
%e A253936 n=1: p=prime(1)=2; p mod 10 = 2, prime(1+2) = 5 = a(1);
%e A253936 n=6: p=prime(6)=13; p mod 10 = 3, prime(6+3) = 23 = a(6).
%t A253936 Table[Prime[n+Mod[Prime[n],10]],{n,100}]
%o A253936 (PARI) a(n)=prime(n+prime(n)%10)
%Y A253936 Cf. A000040, A007652, A010879.
%K A253936 nonn,base
%O A253936 1,1
%A A253936 _Zak Seidov_, Jan 23 2015