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 A165411 Primes p such that each of p's digits d appears consecutively exactly d times and p contains each nonzero digit up to its maximum digit. 1
 223331, 122555554444333, 224444333555551, 224444555553331, 225555544441333, 333555554444221, 555552233344441, 555552244441333, 555554444221333, 122444455555666666333, 122555554444666666333, 144446666662255555333 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This sequence is a subsequence of A140057, A078348, and A108571. There are 129 terms; the largest is 7777777666666444455555223331. As 1, 122, and 221 are not prime and any such numbers whose maximum digit is 4, 8, or 9 are divisible by 3, all terms of the sequence have either 6 (1 term), 15 (8 terms), 21 (24 terms), or 28 (96 terms) decimal digits (=triangular numbers A000217(n) for n=3,5,6,7, respectively). None of the terms have nondecreasing or nonincreasing decimal digits. - Rick L. Shepherd, Feb 23 2013 LINKS Rick L. Shepherd, Table of n, a(n) for n = 1..129 (full sequence) EXAMPLE 1333444455555226666667777777 is a term because it is a prime meeting the criteria: It contains all digits 1 through 7, its maximum, each appearing in a single run of length equal to the value of the digit. CROSSREFS Cf. A140057, A078348, A108571. Sequence in context: A253739 A274809 A180949 * A235909 A233966 A269116 Adjacent sequences: A165408 A165409 A165410 * A165412 A165413 A165414 KEYWORD base,easy,fini,full,nonn AUTHOR Rick L. Shepherd, Sep 17 2009 STATUS approved

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Last modified February 21 19:37 EST 2024. Contains 370237 sequences. (Running on oeis4.)