Pentagonal Number

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Details

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns involved in the construction of pentagonal numbers are not rotationally symmetrical. The nth pentagonal number pn is the number of distinct dots in a pattern of dots consisting of the outlines of regular pentagons whose sides contain 1 to n dots, overlaid so that they share one vertex. For instance, the third one is formed from outlines comprising 1, 5 and 10 dots, but the 1, and 3 of the 5, coincide with 3 of the 10 leaving 12 distinct dots, 10 in the form of a pentagon, and 2 inside...

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786131300981
    • Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
    • Größe H220mm x B220mm
    • EAN 9786131300981
    • Format Fachbuch
    • Titel Pentagonal Number
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 72
    • Genre Mathematik

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