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A035510 2nd column of Inverse Stolarsky array. 0
4, 7, 9, 14, 17, 22, 27, 30, 35, 41, 43, 48, 51, 56, 62, 64, 69, 75, 77, 82, 85, 90, 96, 98, 103, 106, 111, 117, 119, 124, 130, 132, 137, 140, 145, 151, 153, 158, 161, 166, 171, 174, 179, 185, 187, 192, 195, 200, 206, 208, 213, 219, 221, 226, 229, 234, 240, 242 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

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

LINKS

Table of n, a(n) for n=0..57.

C. Kimberling, Interspersions

N. J. A. Sloane, Classic Sequences

FORMULA

a(n)=round(n*tau)+1+floor((round(n*tau)+1/2)*tau) for n>0 with a(0)=4 - C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005

MAPLE

tau:=(1+sqrt(5))/2: 4, seq(round(n*tau)+1+floor((round(n*tau)+1/2)*tau), n=1..100); (Ronaldo)

CROSSREFS

Cf. A035507.

Sequence in context: A187900 A183992 A187410 * A187898 A243935 A287559

Adjacent sequences:  A035507 A035508 A035509 * A035511 A035512 A035513

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

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Last modified February 21 19:50 EST 2018. Contains 299423 sequences. (Running on oeis4.)