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.

A003476 a(n) = a(n-1) + 2*a(n-3).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 9
6 15
7 25
8 43
9 73
10 123
11 209
12 355
13 601
14 1019
15 1729
16 2931
17 4969
18 8427
19 14289
20 24227
21 41081
22 69659
23 118113
24 200275
25 339593
26 575819
27 976369
28 1655555
29 2807193
30 4759931
31 8071041
32 13685427
33 23205289
34 39347371
35 66718225
36 113128803
37 191823545
38 325259995

List of values

[1, 2, 3, 5, 9, 15, 25, 43, 73, 123, 209, 355, 601, 1019, 1729, 2931, 4969, 8427, 14289, 24227, 41081, 69659, 118113, 200275, 339593, 575819, 976369, 1655555, 2807193, 4759931, 8071041, 13685427, 23205289, 39347371, 66718225, 113128803, 191823545, 325259995]

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

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