A131500 - OEIS

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A131500

Radii of orbits of planets in solar system, in units of radius of orbit of Mercury, multiplied by 4.

4, 7, 10, 16, 28, 52, 100, 196, 292, 388

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

OFFSET

1,1

COMMENTS

A003461 is the classical version of this sequence. - N. J. A. Sloane, Aug 15 2007

(Titius

Bode

n Planet Conversion Result TitiusBode Result Result)*4

= ======= ==================== =================== =========

1 Mercury 0.387/0.387 = 1.00 (3/4)*0 + 1 = 1 4

2 Venus 0.723/0.387 = 1.87 (3/4)*1 + 1 = 1.75 7

3 Earth 1.000/0.387 = 2.58 (3/4)*2 + 1 = 2.5 10

4 Mars 1.524/0.387 = 3.94 (3/4)*4 + 1 = 4 16

5 AstrBlt 2.77 /0.387 = 7.16 (3/4)*8 + 1 = 7 28

6 Jupiter 5.203/0.387 = 13.44 (3/4)*16 + 1 = 13 52

7 Saturn 9.539/0.387 = 24.65 (3/4)*32 + 1 = 25 100

8 Uranus 19.18/0.387 = 49.56 (3/4)*64 + 1 = 49 196

9 Neptune 30.06/0.387 = 77.67 (3/4)*96 + 1 = 73 292

10 Pluto 39.44/0.387 = 101.91 (3/4)*128 + 1 = 97 388

Includes both Neptune's and Pluto's orbits, which are missing from A003461.

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A128429 A191154 A209257 * A003461 A023375 A310714

Adjacent sequences: A131497 A131498 A131499 * A131501 A131502 A131503

KEYWORD

nonn

AUTHOR

Alexander R. Povolotsky, Aug 12 2007, Aug 20 2007

EXTENSIONS

Edited by N. J. A. Sloane, Oct 23 2009

STATUS

approved