File:Sloanes gap.png

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Sloanes_gap.png(566 × 374 pixels, file size: 50 KB, MIME type: image/png)

Summary

Description
Français : Fossé de Sloane : nombre d'occurences (en Y) dans la base de données de l'OEIS de chaque nombre entier (en X). On distingue deux nuages de points séparés : en haut les nombres "intéressants"

-les nombres premiers en rouge, -les nombres de la forme a^n en vert, -les nombres fortement composés en jaune

La bande inférieure (bleue) formée des nombres relativement moins intéresssants
English: Sloane's gap: occurences (y) of an integer n (x-axis) in the OEIS, green: a^n, red: primes, blue: boring, separated by a gap from more interesting numbers on the top.
Deutsch: Sloanes Spalt, Auftreten (y) natürlicher Zahlen n (x-Achse) in der OEIS, grün: a^n, rot: Primzahl, blau: langweilig gespalten von interessanteren Zahlen oben.
Date
Source Own work
Author Philippe Guglielmetti

Published in http://www.drgoulu.com/2009/04/18/nombres-mineralises, .

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