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A354542 Primes in A354543. 2

%I #19 Aug 18 2022 11:46:01

%S 3533,688277,6694673,40577149,55138957,86928683,120233569,353700679,

%T 363666767,394746449,665910173,697048171,1472815853,1526776393,

%U 1817357573,2179037593,2395963249,2548619561,2627434567,3047031863,3273354481,4524129787,6073626073,6586863131,9320100589,10836344773

%N Primes in A354543.

%C Primes in the convolution of the primes == 1 (mod 6) (A002476) and the primes == 5 (mod 6) (A007528).

%H Robert Israel, <a href="/A354542/b354542.txt">Table of n, a(n) for n = 1..3000</a>

%e a(3) = 6694673 = A354543(74) is prime.

%p P1:= select(isprime, [seq(i, i=1..30000, 6)]):

%p P5:= select(isprime, [seq(i, i=5..30000, 6)]):

%p select(isprime,[seq(add(P1[i]*P5[n-i], i=1..n-1), n=2..min(nops(P1), nops(P5))+1,2)]);

%Y Cf. A002476, A007528, A354543.

%K nonn

%O 1,1

%A _J. M. Bergot_ and _Robert Israel_, Aug 17 2022

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)