cp's OEIS Frontend

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.

A307172 Second class of all proper positive solutions x2(n) of the Pell equation x^2 - 7*y^2 = 9.

Table of values

n a(n)
1 4
2 53
3 844
4 13451
5 214372
6 3416501
7 54449644
8 867777803
9 13829995204
10 220412145461
11 3512764332172
12 55983817169291
13 892228310376484
14 14219669148854453
15 226622478071294764
16 3611739979991861771
17 57561217201798493572
18 917367735248784035381
19 14620322546778746072524

List of values

[4, 53, 844, 13451, 214372, 3416501, 54449644, 867777803, 13829995204, 220412145461, 3512764332172, 55983817169291, 892228310376484, 14219669148854453, 226622478071294764, 3611739979991861771, 57561217201798493572, 917367735248784035381, 14620322546778746072524]

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

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