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.

A258129 Octagonal numbers (A000567) that are the sum of three consecutive octagonal numbers.

Table of values

n a(n)
1 698901
2 5102520783381
3 37252493940331837461
4 271973082264557457061125141
5 1985621622943208359132836202790421
6 14496630316026749501691464257547633057301
7 105837027604506739193825102426073141683789429781
8 772695182809023513889440668692977953487035688873891861

List of values

[698901, 5102520783381, 37252493940331837461, 271973082264557457061125141, 1985621622943208359132836202790421, 14496630316026749501691464257547633057301, 105837027604506739193825102426073141683789429781, 772695182809023513889440668692977953487035688873891861]