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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.

A138956 Primes of the form (4^n + 5^n)/9.

Table of values

n a(n)
1 461
2 10501
3 2149818248341
4 20728082811027490541
5 481868222983777875077033646523111996342381
6 63774650109719491827977851592475862662743267652837460857617262084586443004114519194264814815101

List of values

[461, 10501, 2149818248341, 20728082811027490541, 481868222983777875077033646523111996342381, 63774650109719491827977851592475862662743267652837460857617262084586443004114519194264814815101]

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

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