A260268 Primes that contain only the digits (1, 4, 5).

5, 11, 41, 151, 541, 1151, 1451, 1511, 4111, 4441, 4451, 5441, 11411, 11551, 14411, 14551, 15451, 15511, 15541, 15551, 41141, 41411, 44111, 45541, 51151, 51511, 51551, 54151, 54541, 55411, 55441, 55511, 55541, 114451, 115151, 141511, 141551, 144451, 144511

Offset

1,1

Comments

A020452 and A020453 are subsequences.

Links

Alois P. Heinz, Table of n, a(n) for n = 1..10000

Mathematica

Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {1, 4, 5}]=={} &]

Prog

(Magma) [p: p in PrimesUpTo(4*10^5) | Set(Intseq(p)) subset [1, 4, 5]];

Crossrefs

Cf. similar sequences listed in A260266.

Cf. A020452, A020453.

Sequence in context: A006382 A295504 A055113 * A129015 A209976 A141355

Adjacent sequences: A260265 A260266 A260267 * A260269 A260270 A260271

Keyword

nonn,easy,base

Author

Vincenzo Librandi, Jul 23 2015

Status

approved