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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.

A289790 p-INVERT of A016789, where p(S) = 1 - S - S^2.

Table of values

n a(n)
0 2
1 13
2 72
3 385
4 2056
5 11000
6 58872
7 315065
8 1686086
9 9023167
10 48287964
11 258415702
12 1382925814
13 7400803253
14 39605804028
15 211952630117
16 1134276112400
17 6070140759292
18 32484690838716
19 173843602765153
20 930333564584074
21 4978731041147699
22 26643951936925764

List of values

[2, 13, 72, 385, 2056, 11000, 58872, 315065, 1686086, 9023167, 48287964, 258415702, 1382925814, 7400803253, 39605804028, 211952630117, 1134276112400, 6070140759292, 32484690838716, 173843602765153, 930333564584074, 4978731041147699, 26643951936925764]

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

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