A180699 Smallest power of 16 that begins with n.

1, 256, 309485009821345068724781056, 4096, 5192296858534827628530496329220096, 65536, 72057594037927936, 83076749736557242056487941267521536, 91343852333181432387730302044767688728495783936, 1048576

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Mathematica

Join[{1}, Flatten[Table[Select[16^Range[50], Take[IntegerDigits[#], IntegerLength[ n]] == IntegerDigits[n]&, 1], {n, 0, 20}]]] (* Harvey P. Dale, Feb 21 2013 *)

Crossrefs

Cf. A001025, A180697, A180700, A180701.

Sequence in context: A228133 A139304 A018859 * A195529 A004217 A351309

Adjacent sequences: A180696 A180697 A180698 * A180700 A180701 A180702

Keyword

nonn,base

Author

Daniel Mondot, Sep 18 2010

Extensions

More terms from Harvey P. Dale, Feb 21 2013

Status

approved