A035511 - OEIS

A035511

3rd column of Inverse Stolarsky array.

12, 20, 25, 38, 46, 59, 72, 80, 93, 109, 114, 127, 135, 148, 164, 169, 182, 198, 203, 216, 224, 237, 253, 258, 271, 279, 292, 308, 313, 326, 342, 347, 360, 368, 381, 397, 402, 415, 423, 436, 449, 457, 470, 486, 491, 504, 512, 525, 541, 546, 559, 575, 580, 593

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..53.

C. Kimberling, Interspersions

C. Kimberling, Interspersions and dispersions, Proceedings of the American Mathematical Society 117 (1993) 313-321.

N. J. A. Sloane, Classic Sequences

FORMULA

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

MAPLE

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

CROSSREFS

Cf. A035507.

Sequence in context: A055598 A302297 A324332 * A095035 A108027 A090767

Adjacent sequences: A035508 A035509 A035510 * A035512 A035513 A035514

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

EXTENSIONS

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

STATUS

approved