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.

A092493 a(n) = 4a(n-1) - 4a(n-2) + 3a(n-3) + a(n-4) - a(n-5).

Table of values

n a(n)
1 1
2 2
3 5
4 14
5 42
6 128
7 389
8 1179
9 3572
10 10825
11 32810
12 99446
13 301412
14 913547
15 2768863
16 8392136
17 25435699
18 77092976
19 233660832
20 708201794
21 2146486339
22 6505777953
23 19718339694
24 59764246943
25 181139247400
26 549014312524
27 1664005563066

List of values

[1, 2, 5, 14, 42, 128, 389, 1179, 3572, 10825, 32810, 99446, 301412, 913547, 2768863, 8392136, 25435699, 77092976, 233660832, 708201794, 2146486339, 6505777953, 19718339694, 59764246943, 181139247400, 549014312524, 1664005563066]

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

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