This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A161451 #6 Jan 25 2018 10:10:16 %S A161451 11,26,41,56,79,94,109,124,131,146,161,176,199,214,229,244,266,283, %T A161451 296,313,334,351,364,381,386,403,416,433,454,471,484,501,521,536,555, %U A161451 570,589,604,623,638,641,656,675,690,709,724,743,758,776,793,810,827,844 %N A161451 Numbers n such that A160700(n) = 11. %H A161451 Charles R Greathouse IV, <a href="/A161451/b161451.txt">Table of n, a(n) for n = 1..10000</a> %F A161451 16n - 16 <= a(n) <= 16n - 1. - _Charles R Greathouse IV_, Jan 25 2018 %o A161451 (PARI) A160700(n)=my(t=n%16); while(n>15, n>>=4; t=bitxor(t, n%16)); t %o A161451 a(n)=for(k=16*n-16, 16*n-1, if(a(k)==11, return(k))) \\ _Charles R Greathouse IV_, Jan 25 2018 %Y A161451 Cf. A161440, A161441, A161442, A161443, A161444, A161445, A161446, A161447, A161448, A161449, A161450, A161452, A161453, A161454, A161455. %K A161451 nonn,easy %O A161451 1,1 %A A161451 _Reinhard Zumkeller_, Jun 10 2009