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A068846 Smallest prime with same leading digits as 6^n. 2

%I #7 Dec 05 2013 19:55:14

%S 11,61,367,2161,12967,77761,466561,2799361,16796161,100776967,

%T 604661767,36279705641,217678233631,1306069401601,7836416409623,

%U 47018498457641,282110990745637,1692665944473601,1015599566684161

%N Smallest prime with same leading digits as 6^n.

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

%p 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);

%Y Cf. A068847, A068848.

%K nonn,base

%O 0,1

%A _Amarnath Murthy_, Mar 10 2002

%E More terms from _Sascha Kurz_, Mar 17 2002

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)