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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.

A276226 a(n+3) = 2*a(n+2) + a(n+1) + a(n) with a(0)=0, a(1)=6, a(2)=8.

Table of values

n a(n)
0 0
1 6
2 8
3 22
4 58
5 146
6 372
7 948
8 2414
9 6148
10 15658
11 39878
12 101562
13 258660
14 658760
15 1677742
16 4272904
17 10882310
18 27715266
19 70585746
20 179769068
21 457839148
22 1166033110
23 2969674436
24 7563221130
25 19262149806
26 49057195178
27 124939761292
28 318198867568
29 810394691606
30 2063928012072
31 5256449583318
32 13387221870314
33 34094821336018

List of values

[0, 6, 8, 22, 58, 146, 372, 948, 2414, 6148, 15658, 39878, 101562, 258660, 658760, 1677742, 4272904, 10882310, 27715266, 70585746, 179769068, 457839148, 1166033110, 2969674436, 7563221130, 19262149806, 49057195178, 124939761292, 318198867568, 810394691606, 2063928012072, 5256449583318, 13387221870314, 34094821336018]

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

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