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.

A139293 (2^(2p - 1)/8)-1, where p is prime.

Table of values

n a(n)
1 0
2 3
3 63
4 1023
5 262143
6 4194303
7 1073741823
8 17179869183
9 4398046511103
10 18014398509481983
11 288230376151711743
12 1180591620717411303423
13 302231454903657293676543
14 4835703278458516698824703

List of values

[0, 3, 63, 1023, 262143, 4194303, 1073741823, 17179869183, 4398046511103, 18014398509481983, 288230376151711743, 1180591620717411303423, 302231454903657293676543, 4835703278458516698824703]

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

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