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A260125 Primes that contain only the digits (2, 3, 0). 6

%I #17 Sep 08 2022 08:46:13

%S 2,3,23,223,233,2003,2203,2333,3023,3203,3323,20023,20233,20323,20333,

%T 22003,22303,23003,23203,23333,30203,30223,30323,32003,32203,32233,

%U 32303,32323,33023,33203,33223,200003,200023,200033,200323,203023,203233,203323

%N Primes that contain only the digits (2, 3, 0).

%H Alois P. Heinz, <a href="/A260125/b260125.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {2, 3, 0}]=={} &]

%t Select[FromDigits/@Tuples[{0,2,3},6],PrimeQ] (* _Harvey P. Dale_, Mar 06 2020 *)

%o (Magma) [p: p in PrimesUpTo(300000) | Intseq(p) subset {2,3,0}];

%Y Cf. Primes that contain only the digits (2,3,k): this sequence (k=0), A062350 (k=1), A199342 (k=4), A214703 (k=5), A260126 (k=6), A214704 (k=7), A260127 (k=8), A260128 (k=9).

%Y Cf. A020458 (a subsequence).

%K nonn,base,easy

%O 1,1

%A _Vincenzo Librandi_, Jul 17 2015

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)