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.

A089535 Semiprimes of the form 2^k + k.

Table of values

n a(n)
1 6
2 2059
3 8388631
4 17179869218
5 576460752303423547
6 590295810358705651781
7 154742504910672534362390615
8 39614081257132168796771975263
9 664613997892457936451903530140172407
10 10633823966279326983230456482242756731
11 680564733841876926926749214863536423041

List of values

[6, 2059, 8388631, 17179869218, 576460752303423547, 590295810358705651781, 154742504910672534362390615, 39614081257132168796771975263, 664613997892457936451903530140172407, 10633823966279326983230456482242756731, 680564733841876926926749214863536423041]

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

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