%N Relative of Hofstadter Q-sequence: a(n) = n for 1 <= n <= 11; a(n) = a(n-a(n-1)) + a(n-a(n-2)) for n > 11.
%C Similar to Hofstadter's Q-sequence A005185 but with different starting values.
%C This sequence has exactly 199 terms, since a(199)=206 and computing a(200) would refer to a(-6).
%H Nathan Fox, <a href="/A278063/b278063.txt">Table of n, a(n) for n = 1..199</a>
%H N. Fox, <a href="https://vimeo.com/191094180">Hofstadter-like Sequences over Nonstandard Integers</a>, Talk given at the Rutgers Experimental Mathematics Seminar, November 10 2016.
%o (MAGMA) [n le 11 select n else Self(n-Self(n-1))+Self(n-Self(n-2)): n in [1..70]]; // _Bruno Berselli_, Nov 15 2016
%Y Cf. A005185, A278056, A278057, A278058, A278059, A278060, A278061, A278062, A278064, A278065.
%A _Nathan Fox_, Nov 10 2016