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.

A011900 a(n) = 6*a(n-1) - a(n-2) - 2 with a(0) = 1, a(1) = 3.

Table of values

n a(n)
0 1
1 3
2 15
3 85
4 493
5 2871
6 16731
7 97513
8 568345
9 3312555
10 19306983
11 112529341
12 655869061
13 3822685023
14 22280241075
15 129858761425
16 756872327473
17 4411375203411
18 25711378892991
19 149856898154533
20 873430010034205
21 5090723162050695
22 29670908962269963
23 172934730611569081

List of values

[1, 3, 15, 85, 493, 2871, 16731, 97513, 568345, 3312555, 19306983, 112529341, 655869061, 3822685023, 22280241075, 129858761425, 756872327473, 4411375203411, 25711378892991, 149856898154533, 873430010034205, 5090723162050695, 29670908962269963, 172934730611569081]

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

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