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A088104 Smallest n-digit prime beginning with prime(n), or 0 if no such prime exists. 6
2, 31, 503, 7001, 11003, 130003, 1700021, 19000013, 230000003, 2900000017, 31000000027, 370000000003, 4100000000003, 43000000000063, 470000000000023, 5300000000000129, 59000000000000011, 610000000000000031 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: No term is zero. Subsidiary sequences: (1) A088754 = number of n-digit primes beginning with prime(n). (2) A088755 = number of n-digit primes beginning with n.

LINKS

Table of n, a(n) for n=1..18.

EXAMPLE

a(6) = 130003 begins with prime(6) = 13 and has 6 digits.

MATHEMATICA

Prepend[NextPrime[FromDigits[PadRight[IntegerDigits[#], PrimePi[#]]]]&/@Prime[Range[2, 25]], 2]  [From Harvey P. Dale, Jan 09 2011]

CROSSREFS

Cf. A077504, A077505, A088105, A088754, A088755.

Sequence in context: A218687 A071360 A108491 * A057692 A058244 A245051

Adjacent sequences:  A088101 A088102 A088103 * A088105 A088106 A088107

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 24 2003

EXTENSIONS

More terms from Ray Chandler, Oct 15 2003

STATUS

approved

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Last modified February 18 09:57 EST 2019. Contains 320250 sequences. (Running on oeis4.)