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A069591 Smallest prime in which the n-th significant digit is a 7. 6
7, 71, 701, 7001, 70001, 700001, 7000003, 70000027, 700000001, 7000000001, 70000000033, 700000000009, 7000000000009, 70000000000009, 700000000000051, 7000000000000037, 70000000000000003, 700000000000000033 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MAPLE

7, seq(nextprime(7*10^j), j=1..32);

CROSSREFS

Cf. A069588, A069589, A069590.

Sequence in context: A196900 A319963 A198966 * A039920 A100895 A065537

Adjacent sequences:  A069588 A069589 A069590 * A069592 A069593 A069594

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 April 3 16:46 EDT 2020. Contains 333197 sequences. (Running on oeis4.)