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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.

A087716 Base-2 pseudoprimes (see A001567) of the form j*p(i)# - p(k) or j*p(i)# + p(k), p(i) and p(k) primes with p(i) < p(k) < p(i+1)^2 and 0 < j < p(i+1).

Table of values

n a(n)
1 341
2 1387
3 2047
4 4681
5 13747

List of values

[341, 1387, 2047, 4681, 13747]

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

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