A361483 - OEIS

%I #19 Mar 20 2023 13:38:28

%S 7,13,37,61,97,103,127,163,193,211,223,307,313,331,337,397,421,463,

%T 487,541,571,601,607,631,673,691,727,757,853,907,937,967,1021,1033,

%U 1051,1063,1117,1153,1171,1231,1237,1297,1303,1327,1381,1453,1531,1567,1621,1657,1693,1723

%N Primes p such that p + 256 is also prime.

%C All terms are == 1 (mod 6).

%e 61 and 61 + 256 = 317 are both prime.

%Y Cf. A000040.

%Y Cf. sequences of the type p + k are primes: A001359 (k = 2), A023200 (k = 4), A023202 (k = 8), A049488 (k = 16), A049489 (k = 32), A049490 (k = 64), A049491 (k = 128), this sequence (k = 256), A361484 (k = 512), A361485 (k = 1024).

%K nonn,easy

%O 1,1

%A _Elmo R. Oliveira_, Mar 13 2023