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

0, 1, 47, 598, 6432, 65099, 617230, 5623596, 50564448, 454769425, 4117771727, 37607628932, 346065253753, 3204941467716, 29844570139583, 279238340750839, 2623557157371147, 24739954287457774, 234057667276061521, 2220819602560635754, 21127269486018448842

Offset

1,3

Links

Table of n, a(n) for n=1..21.

Formula

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

Crossrefs

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

Sequence in context: A116146 A142253 A142577 * A106310 A163709 A244880

Adjacent sequences: A098223 A098224 A098225 * A098227 A098228 A098229

Keyword

nonn,base

Author

Labos Elemer, Oct 25 2004

Extensions

a(13)-a(21) from Giovanni Resta, Oct 29 2019

Status

approved