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.

A127955 Composite numbers of the form (2^p+1)/3 where p is a prime.

Table of values

n a(n)
1 178956971
2 45812984491
3 733007751851
4 46912496118443
5 3002399751580331
6 192153584101141163
7 49191317529892137643
8 787061080478274202283
9 3148244321913096809131
10 3223802185639011132549803

List of values

[178956971, 45812984491, 733007751851, 46912496118443, 3002399751580331, 192153584101141163, 49191317529892137643, 787061080478274202283, 3148244321913096809131, 3223802185639011132549803]

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

Content is available under The OEIS End-User License Agreement.