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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.

A307168 First class of all proper positive solutions x1(n) = a(n) of the Pell equation x^2 - 7*y^2 = 9.

Table of values

n a(n)
1 11
2 172
3 2741
4 43684
5 696203
6 11095564
7 176832821
8 2818229572
9 44914840331
10 715819215724
11 11408192611253
12 181815262564324
13 2897636008417931
14 46180360872122572
15 735988137945543221
16 11729629846256568964
17 186938089402159560203
18 2979279800588296394284
19 47481538720010582748341

List of values

[11, 172, 2741, 43684, 696203, 11095564, 176832821, 2818229572, 44914840331, 715819215724, 11408192611253, 181815262564324, 2897636008417931, 46180360872122572, 735988137945543221, 11729629846256568964, 186938089402159560203, 2979279800588296394284, 47481538720010582748341]

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

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