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.

A094429 Given the 3 X 3 matrix M = [0 1 0 / 0 0 1 / 7 -14 7], a(n) = (-) rightmost term of M^n * [1 1 1].

Table of values

n a(n)
1 0
2 7
3 42
4 196
5 833
6 3381
7 13377
8 52136
9 201341
10 773122
11 2958032
12 11291903
13 43042727
14 163918671
15 623875840
16 2373568575
17 9028148962
18 34334213564
19 130560389505
20 496440779373
21 1887579497489
22 7176808297736
23 27286630574917

List of values

[0, 7, 42, 196, 833, 3381, 13377, 52136, 201341, 773122, 2958032, 11291903, 43042727, 163918671, 623875840, 2373568575, 9028148962, 34334213564, 130560389505, 496440779373, 1887579497489, 7176808297736, 27286630574917]

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

Content is available under The OEIS End-User License Agreement.