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A104388 Lesser of two successive primes the average of which is a repdigit. 5
3, 5, 7, 97, 109, 4441, 111111109, 555555555551, 9999999999999937, 111111111111111091, 444444444444444419, 555555555555555555491, 777777777777777777777767, 333333333333333333333333333333293 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Larger primes A104387, repdigits A104389. What is the next term?

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..31

FORMULA

A104388(n)=p[A104386(n)]

CROSSREFS

Cf. A054268, A104386, A104387, A104389.

Sequence in context: A082697 A051345 A242387 * A110337 A132287 A046201

Adjacent sequences:  A104385 A104386 A104387 * A104389 A104390 A104391

KEYWORD

nonn,base

AUTHOR

Zak Seidov, Mar 04 2005

EXTENSIONS

More terms from Giovanni Resta, Feb 09 2006

STATUS

approved

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Last modified May 31 07:30 EDT 2020. Contains 334747 sequences. (Running on oeis4.)