A196580 - OEIS

%I #20 Aug 14 2020 13:26:35

%S 57,81,77,111,91,146,120

%N Length of longest possible 72-degree snake inside a circle of diameter n.

%C A snake is a sequence of unit line segments that are non-overlapping except that each one begins where the previous one ends. An n-degree snake is a snake all of whose multiples with the horizontal are multiples of n.

%H Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0503.html">Problem of the month May 2003</a>

%K more,nonn

%O 5,1

%A _Kausthub Gudipati_, Oct 04 2011