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A098226 Number of primes <= 10^n which have repeated decimal digits. 2

%I #15 Oct 29 2019 08:36:14

%S 0,1,47,598,6432,65099,617230,5623596,50564448,454769425,4117771727,

%T 37607628932,346065253753,3204941467716,29844570139583,

%U 279238340750839,2623557157371147,24739954287457774,234057667276061521,2220819602560635754,21127269486018448842

%N Number of primes <= 10^n which have repeated decimal digits.

%F For n>=10 a(n) = A006880(n) - 283086 because the total number of distinct-digit primes equals 283086. See A098224.

%Y Cf. A006880, A006879, A098224, A098225, A098227.

%K nonn,base

%O 1,3

%A _Labos Elemer_, Oct 25 2004

%E a(13)-a(21) from _Giovanni Resta_, Oct 29 2019

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Last modified May 12 13:30 EDT 2024. Contains 372480 sequences. (Running on oeis4.)