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A069589 Smallest prime in which the n-th significant digit is a 3. 8
3, 31, 307, 3001, 30011, 300007, 3000017, 30000001, 300000007, 3000000019, 30000000001, 300000000077, 3000000000013, 30000000000011, 300000000000089, 3000000000000037, 30000000000000029, 300000000000000011 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MAPLE

3, seq(nextprime(3*10^j), j=1..32);

MATHEMATICA

Join[{3}, Table[NextPrime[FromDigits[PadRight[{3}, n, 0]]], {n, 2, 20}]] (* Harvey P. Dale, Jun 15 2015 *)

CROSSREFS

Cf. A069588.

Sequence in context: A144579 A220997 A222094 * A222090 A037778 A037666

Adjacent sequences:  A069586 A069587 A069588 * A069590 A069591 A069592

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Mar 25 2002

EXTENSIONS

More terms from Sascha Kurz, Mar 28 2002

STATUS

approved

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Last modified August 5 07:33 EDT 2020. Contains 336209 sequences. (Running on oeis4.)