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Search: id:A068846
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| A068846 |
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Smallest prime with same leading digits as 6^n. |
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+0
3
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| 11, 61, 367, 2161, 12967, 77761, 466561, 2799361, 16796161, 100776967, 604661767, 36279705641, 217678233631, 1306069401601, 7836416409623, 47018498457641, 282110990745637, 1692665944473601, 1015599566684161
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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a(3)=2161 because this is the smallest prime starting with 6^3=216.
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MAPLE
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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);
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CROSSREFS
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Cf. A068847, A068848.
Sequence in context: A115565 A137410 A156095 this_sequence A092164 A088545 A020454
Adjacent sequences: A068843 A068844 A068845 this_sequence A068847 A068848 A068849
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KEYWORD
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nonn,base
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 10 2002
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EXTENSIONS
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More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 17 2002
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