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A068846 Smallest prime with same leading digits as 6^n. 2
11, 61, 367, 2161, 12967, 77761, 466561, 2799361, 16796161, 100776967, 604661767, 36279705641, 217678233631, 1306069401601, 7836416409623, 47018498457641, 282110990745637, 1692665944473601, 1015599566684161 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..18.

EXAMPLE

a(3)=2161 because this is the smallest prime starting with 6^3=216.

MAPLE

for i from 0 to 30 do a := nextprime(6^i*10); b := 1; while(a-6^i*10^b>=10^b) do b := b+1; a := nextprime(6^i*10^b); end do; c[i] := a; end do:q := seq(c[i], i=0..30);

CROSSREFS

Cf. A068847, A068848.

Sequence in context: A268863 A199414 A156095 * A092164 A088545 A259257

Adjacent sequences:  A068843 A068844 A068845 * A068847 A068848 A068849

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Mar 10 2002

EXTENSIONS

More terms from Sascha Kurz, Mar 17 2002

STATUS

approved

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Last modified May 18 23:37 EDT 2021. Contains 344008 sequences. (Running on oeis4.)