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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.

A099368 Twice Chebyshev polynomials of the first kind, T(n,x), evaluated at x=51/2.

Table of values

n a(n)
0 2
1 51
2 2599
3 132498
4 6754799
5 344362251
6 17555720002
7 894997357851
8 45627309530399
9 2326097788692498
10 118585359913786999
11 6045527257814444451
12 308203304788622880002
13 15712323016961952435651
14 801020270560270951338199

List of values

[2, 51, 2599, 132498, 6754799, 344362251, 17555720002, 894997357851, 45627309530399, 2326097788692498, 118585359913786999, 6045527257814444451, 308203304788622880002, 15712323016961952435651, 801020270560270951338199]

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

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