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.

A268924 One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-2). These are the numbers congruent to 1 mod 3 (except for n = 0).

Table of values

n a(n)
0 0
1 1
2 4
3 22
4 22
5 22
6 508
7 508
8 2695
9 2695
10 2695
11 2695
12 356989
13 888430
14 4077076
15 4077076
16 18425983
17 18425983
18 147566146
19 534986635
20 534986635
21 7508555437
22 28429261843
23 28429261843
24 122572440670
25 405001977151

List of values

[0, 1, 4, 22, 22, 22, 508, 508, 2695, 2695, 2695, 2695, 356989, 888430, 4077076, 4077076, 18425983, 18425983, 147566146, 534986635, 534986635, 7508555437, 28429261843, 28429261843, 122572440670, 405001977151]

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

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