A152273 Number of 1's among the digits of all n-digit primes.

0, 9, 69, 603, 5672, 53281, 510523, 4940488, 48169672, 471970959, 4641157883, 45764403814, 452221586920, 4476140736522

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Cf. A130817, A152272, A152274, A152275, A152276, A152277, A152278, A152279, A152280, A152281.

Sequence in context: A297222 A126530 A351810 * A217452 A193706 A275680

Adjacent sequences: A152270 A152271 A152272 * A152274 A152275 A152276

Keyword

base,nonn

Author

Jon E. Schoenfield, Dec 01 2008

Extensions

a(12)-a(14) from Giovanni Resta, Jul 20 2015

Status

approved