cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A259211 Positive octagonal numbers (A000567) that are other octagonal numbers divided by 3.

Table of values

n a(n)
1 560
2 4090071480
3 29860802042948800
4 218007803276760596488520
5 1591631806178550455562538466640
6 11620188673811755515268615201727379160
7 84836696710140620657577957851546090689242080
8 619375925014776443389412658082968133380998230391400

List of values

[560, 4090071480, 29860802042948800, 218007803276760596488520, 1591631806178550455562538466640, 11620188673811755515268615201727379160, 84836696710140620657577957851546090689242080, 619375925014776443389412658082968133380998230391400]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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