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A152273 Number of 1's among the digits of all n-digit primes. 9
0, 9, 69, 603, 5672, 53281, 510523, 4940488, 48169672, 471970959, 4641157883, 45764403814, 452221586920, 4476140736522 (list; graph; refs; listen; history; text; internal format)
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: A287818 A297222 A126530 * 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

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Last modified July 24 23:25 EDT 2021. Contains 346273 sequences. (Running on oeis4.)