File:Pyramides quadratae secundae.svg
Summary
| Description |
English: en:Octahedral numbers, represented as square pyramids in which each layer has a centered square number of units |
| Source | Own work |
| Author | David Eppstein |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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