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.

A285886 Primes of the form (1 + x)^y + (-x)^y where x is a divisor of y.

Table of values

n a(n)
1 5
2 7
3 13
4 17
5 31
6 37
7 97
8 127
9 257
10 881
11 4651
12 8191
13 65537
14 131071
15 524287
16 1273609
17 2147483647
18 2305843009213693951
19 618970019642690137449562111
20 3512911982806776822251393039617
21 162259276829213363391578010288127
22 170141183460469231731687303715884105727

List of values

[5, 7, 13, 17, 31, 37, 97, 127, 257, 881, 4651, 8191, 65537, 131071, 524287, 1273609, 2147483647, 2305843009213693951, 618970019642690137449562111, 3512911982806776822251393039617, 162259276829213363391578010288127, 170141183460469231731687303715884105727]

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

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