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A152274 Number of 2's among the digits of all n-digit primes. 9
1, 2, 29, 359, 3515, 35666, 361054, 3647203, 36746382, 369719841, 3715552230, 37310055810, 374416981198, 3755522785108 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A091716 A198698 A094940 * A183722 A104535 A264175
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 August 11 00:59 EDT 2024. Contains 375059 sequences. (Running on oeis4.)