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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.

A132418 Sequence is identical to its third differences in absolute values: a(n+k)=3a(n+k-1)-3a(n+k-2)+2a(n+k-3), k=0, 1, 2, 3, 4, a(n+5)=3a(n+4)-3a(n+3), n > 2.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 10
5 21
6 43
7 86
8 129
9 215
10 430
11 903
12 1849
13 3698
14 5547
15 9245
16 18490
17 38829
18 79507

List of values

[1, 2, 3, 5, 10, 21, 43, 86, 129, 215, 430, 903, 1849, 3698, 5547, 9245, 18490, 38829, 79507]

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

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