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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.

A159342 Transform of the finite sequence (1, 0, -1, 0, 1, 0, -1) by the T_{0,1} transform (see link).

Table of values

n a(n)
0 2
1 3
2 6
3 16
4 39
5 89
6 207
7 480
8 1116
9 2595
10 6033
11 14025
12 32604
13 75795
14 176202
15 409620
16 952251
17 2213715
18 5146263
19 11963610
20 27812019
21 64655100
22 150304872
23 349416435
24 812294661
25 1888355985
26 4389895068
27 10205267895
28 23724369534
29 55152467880

List of values

[2, 3, 6, 16, 39, 89, 207, 480, 1116, 2595, 6033, 14025, 32604, 75795, 176202, 409620, 952251, 2213715, 5146263, 11963610, 27812019, 64655100, 150304872, 349416435, 812294661, 1888355985, 4389895068, 10205267895, 23724369534, 55152467880]

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

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