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.

A127959 Nonprime numbers of the form 1 + Sum_{k=1..m} 2^(2*k - 1).

Table of values

n a(n)
1 171
2 10923
3 699051
4 11184811
5 44739243
6 178956971
7 2863311531
8 11453246123
9 45812984491
10 183251937963
11 733007751851
12 11728124029611
13 46912496118443
14 187649984473771
15 750599937895083
16 3002399751580331
17 12009599006321323

List of values

[171, 10923, 699051, 11184811, 44739243, 178956971, 2863311531, 11453246123, 45812984491, 183251937963, 733007751851, 11728124029611, 46912496118443, 187649984473771, 750599937895083, 3002399751580331, 12009599006321323]

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

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