A161448 - OEIS

%I #4 Jan 25 2018 10:01:33

%S 8,25,42,59,76,93,110,127,128,145,162,179,196,213,230,247,265,280,299,

%T 314,333,348,367,382,385,400,419,434,453,468,487,502,522,539,552,569,

%U 590,607,620,637,642,659,672,689,710,727,740,757,779,794,809,824,847

%N Numbers n such that A160700(n) = 8.

%H Charles R Greathouse IV, <a href="/A161448/b161448.txt">Table of n, a(n) for n = 1..10000</a>

%F 16n - 16 <= a(n) <= 16n - 1. - _Charles R Greathouse IV_, Jan 25 2018

%o (PARI) A160700(n)=my(t=n%16); while(n>15, n>>=4; t=bitxor(t, n%16)); t

%o a(n)=for(k=16*n-16, 16*n-1, if(a(k)==8, return(k))) \\ _Charles R Greathouse IV_, Jan 25 2018

%Y Cf. A161440, A161441, A161442, A161443, A161444, A161445, A161446, A161447, A161449, A161450, A161451, A161452, A161453, A161454, A161455.

%K nonn,easy

%O 1,1

%A _Reinhard Zumkeller_, Jun 10 2009