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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.

A085435 Resultant of the polynomial x^n-1 and the Chebyshev polynomial of the second kind U_2(x).

Table of values

n a(n)
1 3
2 9
3 63
4 225
5 1023
6 3969
7 16383
8 65025
9 262143
10 1046529
11 4194303
12 16769025
13 67108863
14 268402689
15 1073741823
16 4294836225
17 17179869183
18 68718952449
19 274877906943
20 1099509530625
21 4398046511103
22 17592177655809
23 70368744177663
24 281474943156225
25 1125899906842623

List of values

[3, 9, 63, 225, 1023, 3969, 16383, 65025, 262143, 1046529, 4194303, 16769025, 67108863, 268402689, 1073741823, 4294836225, 17179869183, 68718952449, 274877906943, 1099509530625, 4398046511103, 17592177655809, 70368744177663, 281474943156225, 1125899906842623]

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

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