Zigzag Numbers

Description:Set of two programs for zigzag numbers. One returns a list of the zigzag numbers (A000111) from 0 though n. The even-indexed terms (starting with 0) of the list are the unsigned Euler numbers, also known as secant numbers (AA000364). The odd-indexed terms (starting with 1) are the tangent numbers, AA000182. The other returns rows 0 through n of AA008281, the triangle from which the zigzag numbers are derived. Requires GoferLists.
Filename:zigzag.zip
ID:8931
Author:John Keith
Downloaded file size:1,655 bytes
Size on calculator:1 KB
Platforms:49/50  
User rating:Not yet rated (you must be logged in to vote)
Primary category:Math/Numeric
Languages:ENG  
File date:2018/10/02 17:28:59
Creation date:2018/10/02
Source code:Included
Download count:14
Version history:2018/10/14: Added to site
Archive contents:
  Length      Date    Time    Name
---------  ---------- -----   ----
      242  2018-10-02 17:28   ZIGZAG.DIR
     3651  2018-10-02 17:23   zigzag.html
---------                     -------
     3893                     2 files
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Copyright 1997-2018 Eric Rechlin.