This site is supported by donations to The OEIS Foundation.
CenteredPentagonalNumber31.png (200 × 189 pixels, file size: 18 KB, MIME type: image/png)
Centered pentagonal number 31
Click on a date/time to view the file as it appeared at that time.
|current||14:13, 25 July 2010||200 × 189 (18 KB)||Peter Luschny||Centered pentagonal number 31|
- You cannot overwrite this file.