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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.

A289560 Primes of the form k!4+256, where k!4 is the quadruple factorial number (A007662).

Table of values

n a(n)
1 257
2 277
3 487
4 1267389841
5 50491808745015763381
6 1008407509171875041482378381
7 429215532868726286171043772444743140881
8 4551830726072842264843919206776501006328381

List of values

[257, 277, 487, 1267389841, 50491808745015763381, 1008407509171875041482378381, 429215532868726286171043772444743140881, 4551830726072842264843919206776501006328381]

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

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