A180691 Smallest power of 12 that begins with n.

1, 20736, 35831808, 429981696, 5159780352, 61917364224, 743008370688, 8916100448256, 953962166440690129601298432, 106993205379072, 11447545997288281555215581184, 12, 137370551967459378662586974208, 144, 15407021574586368, 1648446623609512543951043690496

Offset

1,2

Links

Table of n, a(n) for n=1..16.

Mathematica

tlv=12^Range[0, 40]; f[n_]:=Module[{idn=IntegerDigits[n], len}, len=Length[idn]; First[Select[tlv, Take[IntegerDigits[#], len]==idn&]]]; Table[f[i], {i, 20}]//Quiet  (* Harvey P. Dale, Feb 14 2011 *)

Crossrefs

Cf. A001021, A180689, A180692, A180693.

Sequence in context: A017404 A017524 A223325 * A103282 A013865 A173572

Adjacent sequences: A180688 A180689 A180690 * A180692 A180693 A180694

Keyword

nonn,base

Author

Daniel Mondot, Sep 17 2010

Extensions

More terms from Harvey P. Dale, Feb 14 2011

Status

approved