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.

A133993 a(n) = a(n-1) + 3*a(n-2) - a(n-3) - 2*a(n-4), n > 3.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 9
5 14
6 31
7 56
8 117
9 226
10 459
11 908
12 1825
13 3638
14 7287
15 14560
16 29133
17 58250
18 116515
19 233012
20 466041
21 932062
22 1864143
23 3728264
24 7456549
25 14913074
26 29826171
27 59652316
28 119304657
29 238609286
30 477218599
31 954437168
32 1908874365
33 3817748698
34 7635497427

List of values

[1, 2, 3, 4, 9, 14, 31, 56, 117, 226, 459, 908, 1825, 3638, 7287, 14560, 29133, 58250, 116515, 233012, 466041, 932062, 1864143, 3728264, 7456549, 14913074, 29826171, 59652316, 119304657, 238609286, 477218599, 954437168, 1908874365, 3817748698, 7635497427]

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

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