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A180414 Number of different resistances that can be obtained by combining n one ohm resistors. 0

%I

%S 2,4,8,16,36,80,194,506,1400,4039,12044,36406,111324,342447,1064833

%N Number of different resistances that can be obtained by combining n one ohm resistors.

%D Joel Karnofsky, Technology Review's Puzzle Corner, Oct 3, 2003

%H Joel Karnofsky, <a href="http://cs.nyu.edu/~gottlieb/tr/2003-oct-3.pdf">A problem from Technology Review's Puzzle Corner, Oct 3, 2003</a>

%K nonn,nice,more

%O 1,1

%A _Vaclav Kotesovec_, Sep 02 2010

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Last modified September 1 10:09 EDT 2014. Contains 246291 sequences.