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.

A171263 Primes of the form 1 + 4-multiperfect numbers.

Table of values

n a(n)
1 30241
2 2178541
3 23569921
4 66433720321
5 630532357710420079508428362350593
6 1928622300236318049928258133164033
7 651350717502447739281012140234441171379683329

List of values

[30241, 2178541, 23569921, 66433720321, 630532357710420079508428362350593, 1928622300236318049928258133164033, 651350717502447739281012140234441171379683329]

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

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