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.

A259159 Positive squares (A000290) that are heptagonal numbers (A000566) divided by 2.

Table of values

n a(n)
1 9
2 938961
3 97353360225
4 10093791093915321
5 1046544448101974957529
6 108507821458015176452612289
7 11250307943363385076857772396401
8 1166454428075294670080752381151042025
9 120940328000452394039949183305644566845481

List of values

[9, 938961, 97353360225, 10093791093915321, 1046544448101974957529, 108507821458015176452612289, 11250307943363385076857772396401, 1166454428075294670080752381151042025, 120940328000452394039949183305644566845481]

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

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