OFFSET
1,5
COMMENTS
Apart from the first four cases, 1 seems to be the most common digit of the first n primes.
LINKS
Enrique Pérez Herrero, Table of n, a(n) for n = 1..1000
EXAMPLE
a(6)=3 since first six primes are 2,3,5,7,11,13, so most common digit is 1 which has appeared 3 times.
MATHEMATICA
A063273[n_Integer]:=Max[Tally[Flatten[IntegerDigits[Prime[Range[n]]]]][[All, 2]]]; Array[A063273, 100] (* Enrique Pérez Herrero, Jun 04 2011 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Henry Bottomley, Jul 13 2001
STATUS
approved