A235155 Primes which have one or more occurrences of exactly three different digits.

103, 107, 109, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 239, 241, 251, 257, 263, 269, 271, 281, 283, 293, 307, 317, 347, 349, 359, 367, 379, 389, 397, 401, 409, 419, 421, 431, 439, 457, 461, 463, 467, 479, 487, 491, 503, 509, 521, 523, 541, 547

Offset

1,1

Comments

The first term having a repeated digit is 1009.

Links

Christopher M. Conrey, Table of n, a(n) for n = 1..10000 (first 2000 terms from Colin Barker)

Christopher M. Conrey, MATLAB Program

Mathematica

Select[Prime[Range[200]], Count[DigitCount[#], 0]==7&] (* Harvey P. Dale, Jul 27 2020 *)

Prog

(PARI) s=[]; forprime(n=100, 1000, if(#vecsort(eval(Vec(Str(n))), , 8)==3, s=concat(s, n))); s
(MATLAB) %See Conrey Link

Crossrefs

Cf. A235154, A235156, A235157, A235158, A235159, A235160, A235161.

Cf. A074675.

Sequence in context: A187882 A212542 A074675 * A167841 A213311 A161402

Adjacent sequences: A235152 A235153 A235154 * A235156 A235157 A235158

Keyword

nonn,base

Author

Colin Barker, Jan 04 2014

Status

approved