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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.

A174745 y-values in the solution to x^2 - 21*y^2 = 1.

Table of values

n a(n)
1 0
2 12
3 1320
4 145188
5 15969360
6 1756484412
7 193197315960
8 21249948271188
9 2337301112514720
10 257081872428348012
11 28276668666005766600
12 3110176471388205977988
13 342091135184036651812080

List of values

[0, 12, 1320, 145188, 15969360, 1756484412, 193197315960, 21249948271188, 2337301112514720, 257081872428348012, 28276668666005766600, 3110176471388205977988, 342091135184036651812080]

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

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