File:Square pyramidal number.svg
Summary
| Description | 1+4+9+16=30, a square pyramidal number. |
| Date | 10 February 2007 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | David Eppstein at English Wikipedia |
Licensing
 |
This work has been released into the public domain by its author, David Eppstein at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: David Eppstein grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2007-02-10 23:28 David Eppstein 981×477×0 (8841 bytes) Replace with fixed gradients
- 2007-02-10 22:59 David Eppstein 981×477×0 (34905 bytes) 1+4+9+16=30, a [[square pyramidal number]].