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 A231412 Count of the first 10^n primes which do not contain the digit 0. 20
 1, 10, 91, 819, 7122, 61702, 557224, 5062320, 45002763, 395879190, 3579400605, 32487367715, 294505958253 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..12. FORMULA a(n) <= 9^n. - Charles R Greathouse IV, May 21 2014 EXAMPLE a(2) = 91 = 100-9 since only 9 primes less than 541 (the 100th prime) contain a zero. Namely: 101, 103, 107, 109, 307, 401, 409, 503, 509. MATHEMATICA Table[Length[Select[Range[10^n], DigitCount[Prime[#], 10, 0] == 0 &]], {n, 0, 5}] (* Robert Price, Mar 23 2020 *) CROSSREFS Cf. A231412, A228413-A228421, A097952, A091634-A091643. Sequence in context: A344389 A079928 A346230 * A002452 A096261 A015455 Adjacent sequences: A231409 A231410 A231411 * A231413 A231414 A231415 KEYWORD nonn,base,more,hard AUTHOR Robert Price, Nov 08 2013 EXTENSIONS a(12) from Lucas A. Brown, Mar 19 2024 STATUS approved

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Last modified August 3 02:30 EDT 2024. Contains 374875 sequences. (Running on oeis4.)