A035511 - OEIS

%I #15 Jun 01 2019 17:12:48

%S 12,20,25,38,46,59,72,80,93,109,114,127,135,148,164,169,182,198,203,

%T 216,224,237,253,258,271,279,292,308,313,326,342,347,360,368,381,397,

%U 402,415,423,436,449,457,470,486,491,504,512,525,541,546,559,575,580,593

%N 3rd column of Inverse Stolarsky array.

%H C. Kimberling, <a href="http://faculty.evansville.edu/ck6/integer/intersp.html">Interspersions</a>

%H C. Kimberling, <a href="https://doi.org/10.1090/S0002-9939-1993-1111434-0">Interspersions and dispersions</a>, Proceedings of the American Mathematical Society 117 (1993) 313-321.

%H N. J. A. Sloane, <a href="/classic.html#WYTH">Classic Sequences</a>

%F a(n) = (2*round(n*tau)+1) + 3*(floor((round(n*tau) + 1/2)*tau)+1) for n > 0 and a(0)=12, tau = (1+sqrt(5))/2. - C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005

%p tau:=(1+sqrt(5))/2: 12,seq((2*round(n*tau)+1)+3*floor((2*round(n*tau)+1)*tau/2)+3,n=1..69); # C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005

%Y Cf. A035507.

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005